diff --git a/java/AndroidManifest.xml b/java/AndroidManifest.xml
index b54406f..031d62e 100644
--- a/java/AndroidManifest.xml
+++ b/java/AndroidManifest.xml
@@ -110,6 +110,12 @@
             </intent-filter>
         </receiver>
 
+        <receiver android:name=".personalization.DictionaryDecayBroadcastReciever">
+            <intent-filter>
+                <action android:name="com.android.inputmethod.latin.personalization.DICT_DECAY" />
+            </intent-filter>
+        </receiver>
+
         <receiver android:name=".DictionaryPackInstallBroadcastReceiver">
             <intent-filter>
                 <action android:name="com.android.inputmethod.dictionarypack.aosp.UNKNOWN_CLIENT" />
diff --git a/java/res/values-af/strings.xml b/java/res/values-af/strings.xml
index a3c95b2..f187a73 100644
--- a/java/res/values-af/strings.xml
+++ b/java/res/values-af/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Koppel \'n kopstuk om te hoor hoe wagwoordsleutels hardop gesê word."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Huidige teks is %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Geen teks ingevoer nie"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> korrigeer <xliff:g id="ORIGINAL">%2$s</xliff:g> na <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> het outokorreksie"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Sleutelkode %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift aan (tik om te deaktiveer)"</string>
diff --git a/java/res/values-am/strings.xml b/java/res/values-am/strings.xml
index 89e37b2..6504e64 100644
--- a/java/res/values-am/strings.xml
+++ b/java/res/values-am/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"የይለፍቃል ቁልፎች ጮክ በለው ሲነገሩ ለመስማት የጆሮ ማዳመጫ ሰካ::"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"የአሁኑ ፅሁፍ %s ነው"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"ምንም ፅሁፍ አልገባም"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> <xliff:g id="ORIGINAL">%2$s</xliff:g>ን ወደ <xliff:g id="CORRECTED">%3$s</xliff:g> ያርመዋል"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> ራስ-አርም አለው"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"የቁልፍ ኮድ%d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"ቀይር"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"ቅያር በርቷል (ለማሰናክል ንካ)"</string>
diff --git a/java/res/values-ar/strings.xml b/java/res/values-ar/strings.xml
index 9c3ff51..46bff12 100644
--- a/java/res/values-ar/strings.xml
+++ b/java/res/values-ar/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"يمكنك توصيل سماعة رأس لسماع مفاتيح كلمة المرور منطوقة بصوت عالٍ."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"النص الحالي هو %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"لم يتم إدخال نص"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> لتصحيح <xliff:g id="ORIGINAL">%2$s</xliff:g> إلى <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> للتصحيح التلقائي"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"رمز المفتاح %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"العالي"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift يعمل (انقر للتعطيل)"</string>
diff --git a/java/res/values-bg/strings.xml b/java/res/values-bg/strings.xml
index c21b534..0e6c8dd 100644
--- a/java/res/values-bg/strings.xml
+++ b/java/res/values-bg/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Включете слушалки, за да чуете клавишите за паролата на висок глас."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Текущият текст е %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Няма въведен текст"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"„<xliff:g id="KEY">%1$s</xliff:g>“ коригира „<xliff:g id="ORIGINAL">%2$s</xliff:g>“ на „<xliff:g id="CORRECTED">%3$s</xliff:g>“"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"„<xliff:g id="KEY">%1$s</xliff:g>“ е с автоматично коригиране"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Код на клавишa %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"„Shift“ е включен (докоснете за деактивиране)"</string>
diff --git a/java/res/values-ca/strings.xml b/java/res/values-ca/strings.xml
index d791452..043fbd9 100644
--- a/java/res/values-ca/strings.xml
+++ b/java/res/values-ca/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Connecta un auricular per escoltar les claus de la contrasenya en veu alta."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"El text actual és %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"No s\'ha introduït cap text"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corregeix <xliff:g id="ORIGINAL">%2$s</xliff:g> per <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> té correcció automàtica"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Clau de codi %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Maj"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Maj activat (pica per desactivar)"</string>
diff --git a/java/res/values-cs/strings.xml b/java/res/values-cs/strings.xml
index 2cd159d..2d5c386 100644
--- a/java/res/values-cs/strings.xml
+++ b/java/res/values-cs/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Chcete-li slyšet, které klávesy jste při zadávání hesla stiskli, připojte sluchátka."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Aktuální text je %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Není zadán žádný text"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Klávesou <xliff:g id="KEY">%1$s</xliff:g> opravíte <xliff:g id="ORIGINAL">%2$s</xliff:g> na <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Klávese <xliff:g id="KEY">%1$s</xliff:g> je přiřazena automatická oprava"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kód klávesy %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Klávesa Shift je zapnutá (vypnete ji klepnutím)."</string>
diff --git a/java/res/values-da/strings.xml b/java/res/values-da/strings.xml
index 6c9d9d7..0a53691 100644
--- a/java/res/values-da/strings.xml
+++ b/java/res/values-da/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Tilslut et headset for at høre indtastningen blive læst højt ved angivelse af adgangskode."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Nuværende tekst er %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Der er ingen indtastet tekst"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> retter <xliff:g id="ORIGINAL">%2$s</xliff:g> til <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> udfører automatisk rettelse"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Tastekode %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift-tast"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Skift er slået til (tryk for at deaktivere)"</string>
diff --git a/java/res/values-de/strings.xml b/java/res/values-de/strings.xml
index 1a4e385..1485cc6 100644
--- a/java/res/values-de/strings.xml
+++ b/java/res/values-de/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Schließen Sie ein Headset an, um das Passwort gesprochen zu hören."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Aktueller Text lautet %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Kein Text eingegeben"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Mit <xliff:g id="KEY">%1$s</xliff:g> wird <xliff:g id="ORIGINAL">%2$s</xliff:g> in <xliff:g id="CORRECTED">%3$s</xliff:g> korrigiert."</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Mit <xliff:g id="KEY">%1$s</xliff:g> wird automatisch korrigiert."</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Tastencode %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Umschalttaste"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Umschalttaste aktiviert (zum Deaktivieren berühren)"</string>
diff --git a/java/res/values-el/strings.xml b/java/res/values-el/strings.xml
index c2ee2d3..8b6d0d1 100644
--- a/java/res/values-el/strings.xml
+++ b/java/res/values-el/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Συνδέστε ένα σετ ακουστικών για να ακούσετε τα πλήκτρα του κωδικού πρόσβασης να εκφωνούνται δυνατά."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Το τρέχον κείμενο είναι %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Δεν υπάρχει κείμενο"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Το πλήκτρο <xliff:g id="KEY">%1$s</xliff:g> διορθώνει το στοιχείο <xliff:g id="ORIGINAL">%2$s</xliff:g> σε <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Το πλήκτρο <xliff:g id="KEY">%1$s</xliff:g> διαθέτει αυτόματη διόρθωση"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Κωδικός πλήκτρου %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Το Shift είναι ενεργοποιημένο (πατήστε για απενεργοποίηση)"</string>
diff --git a/java/res/values-en-rGB/strings.xml b/java/res/values-en-rGB/strings.xml
index 0586bcc..1891a3f 100644
--- a/java/res/values-en-rGB/strings.xml
+++ b/java/res/values-en-rGB/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Plug in a headset to hear password keys spoken aloud."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Current text is %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"No text entered"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corrects <xliff:g id="ORIGINAL">%2$s</xliff:g> to <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> has auto-correction"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Key code %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift on (tap to disable)"</string>
diff --git a/java/res/values-en-rIN/strings.xml b/java/res/values-en-rIN/strings.xml
index 0586bcc..1891a3f 100644
--- a/java/res/values-en-rIN/strings.xml
+++ b/java/res/values-en-rIN/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Plug in a headset to hear password keys spoken aloud."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Current text is %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"No text entered"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corrects <xliff:g id="ORIGINAL">%2$s</xliff:g> to <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> has auto-correction"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Key code %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift on (tap to disable)"</string>
diff --git a/java/res/values-es-rUS/strings.xml b/java/res/values-es-rUS/strings.xml
index 42c3932..331eb38 100644
--- a/java/res/values-es-rUS/strings.xml
+++ b/java/res/values-es-rUS/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Enchufa tus auriculares para escuchar en voz alta qué teclas presionas al ingresar una contraseña."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"El texto actual es %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"No se ingresó texto."</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"La tecla <xliff:g id="KEY">%1$s</xliff:g> corrige <xliff:g id="ORIGINAL">%2$s</xliff:g> por <xliff:g id="CORRECTED">%3$s</xliff:g>."</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"La tecla <xliff:g id="KEY">%1$s</xliff:g> corrige automáticamente."</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Clave de código %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Mayús"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Se activó el modo Mayúscula (toca para desactivarlo)."</string>
diff --git a/java/res/values-es/strings.xml b/java/res/values-es/strings.xml
index 4d72799..7506970 100644
--- a/java/res/values-es/strings.xml
+++ b/java/res/values-es/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Conecta un auricular para escuchar las contraseñas en voz alta."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"El texto actual es %s."</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"No se ha introducido texto."</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"La tecla <xliff:g id="KEY">%1$s</xliff:g> corrige <xliff:g id="ORIGINAL">%2$s</xliff:g> a <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"La tecla <xliff:g id="KEY">%1$s</xliff:g> corrige automáticamente"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Código del teclado: %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Mayús"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Mayúsculas activadas (tocar para inhabilitar)"</string>
diff --git a/java/res/values-et-rEE/strings.xml b/java/res/values-et-rEE/strings.xml
index 5706fa1..c7e6fe9 100644
--- a/java/res/values-et-rEE/strings.xml
+++ b/java/res/values-et-rEE/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Ühendage peakomplekt, et kuulata paroole."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Praegune tekst on %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Teksti ei ole sisestatud"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> parandab valiku <xliff:g id="ORIGINAL">%2$s</xliff:g> valikuks <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Klahv <xliff:g id="KEY">%1$s</xliff:g> rakendab automaatse paranduse"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Klahvi kood: %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Tõstuklahv"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Tõstuklahv sees (puudutage keelamiseks)"</string>
diff --git a/java/res/values-fa/strings.xml b/java/res/values-fa/strings.xml
index c03e440..febe01b 100644
--- a/java/res/values-fa/strings.xml
+++ b/java/res/values-fa/strings.xml
@@ -86,10 +86,8 @@
     <!-- no translation found for spoken_current_text_is (2485723011272583845) -->
     <skip />
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"متنی وارد نشده است"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g>، ‏<xliff:g id="ORIGINAL">%2$s</xliff:g> را به <xliff:g id="CORRECTED">%3$s</xliff:g> تصحیح می‌کند"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> دارای تصحیح خودکار است"</string>
     <!-- String.format failed for translation -->
     <!-- no translation found for spoken_description_unknown (3197434010402179157) -->
     <skip />
diff --git a/java/res/values-fi/strings.xml b/java/res/values-fi/strings.xml
index 744e604..8f2caab 100644
--- a/java/res/values-fi/strings.xml
+++ b/java/res/values-fi/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Liitä kuulokkeet, niin kuulet mitä näppäimiä painat kirjoittaessasi salasanaa."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Nykyinen teksti on %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Ei kirjoitettua tekstiä"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> korjaa kohteen <xliff:g id="ORIGINAL">%2$s</xliff:g> kohteeksi <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> suorittaa automaattisen korjauksen"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Näppäimen koodi %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Vaihto"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Vaihto päällä (poista käytöstä napauttamalla)"</string>
diff --git a/java/res/values-fr-rCA/strings.xml b/java/res/values-fr-rCA/strings.xml
index 52a9640..fba0298 100644
--- a/java/res/values-fr-rCA/strings.xml
+++ b/java/res/values-fr-rCA/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Branchez des écouteurs pour entendre l\'énoncé à haute voix des touches lors de la saisie du mot de passe."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Le texte actuel est %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Aucun texte saisi"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corrige <xliff:g id="ORIGINAL">%2$s</xliff:g> en <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> dispose de la fonctionnalité de correction automatique"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Code touche %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Maj"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Touche Maj activée (appuyer pour désactiver)"</string>
diff --git a/java/res/values-fr/strings.xml b/java/res/values-fr/strings.xml
index 5fedd4e..9d6c8f4 100644
--- a/java/res/values-fr/strings.xml
+++ b/java/res/values-fr/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Branchez des écouteurs pour entendre l\'énoncé à haute voix des touches lors de la saisie du mot de passe."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Le texte actuel est %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Aucun texte saisi"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"La touche <xliff:g id="KEY">%1$s</xliff:g> permet de remplacer \"<xliff:g id="ORIGINAL">%2$s</xliff:g>\" par \"<xliff:g id="CORRECTED">%3$s</xliff:g>\"."</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"La touche <xliff:g id="KEY">%1$s</xliff:g> permet d\'activer la correction automatique."</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Code touche %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Maj"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Touche Maj activée (appuyer pour désactiver)"</string>
diff --git a/java/res/values-hi/strings.xml b/java/res/values-hi/strings.xml
index 3b3228a..0e97296 100644
--- a/java/res/values-hi/strings.xml
+++ b/java/res/values-hi/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"ज़ोर से बोली गई पासवर्ड कुंजियां सुनने के लिए हेडसेट प्‍लग इन करें."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"वर्तमान पाठ %s है"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"कोई पाठ दर्ज नहीं किया गया"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g>, <xliff:g id="ORIGINAL">%2$s</xliff:g> को सुधारकर <xliff:g id="CORRECTED">%3$s</xliff:g> बना देती है"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> से स्‍वत: सुधार होगा"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"कुंजी कोड %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"शिफ़्ट"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift चालू (अक्षम करने के लिए टैप करें)"</string>
diff --git a/java/res/values-hr/strings.xml b/java/res/values-hr/strings.xml
index caef954..f5c9ad5 100644
--- a/java/res/values-hr/strings.xml
+++ b/java/res/values-hr/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Priključite slušalice da biste čuli tipke zaporke izgovorene naglas."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Trenutačni tekst je %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nije unesen tekst"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> ispravlja <xliff:g id="ORIGINAL">%2$s</xliff:g> u <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> ima samoispravljanje"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kôd tipke %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Uključena tipka Shift (dotaknite da onemogućite)"</string>
diff --git a/java/res/values-hu/strings.xml b/java/res/values-hu/strings.xml
index 3b0ee47..5f4a181 100644
--- a/java/res/values-hu/strings.xml
+++ b/java/res/values-hu/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Csatlakoztasson egy headsetet, ha hallani szeretné a jelszót felolvasva."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"A jelenlegi szöveg: %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Szöveg nincs megadva"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> gomb: a(z) <xliff:g id="ORIGINAL">%2$s</xliff:g> értéket <xliff:g id="CORRECTED">%3$s</xliff:g> értékre javítja"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Automatikus javítás van beállítva a következőhöz: <xliff:g id="KEY">%1$s</xliff:g>"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Billentyűkód: %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift be van kapcsolva (érintse meg a kikapcsoláshoz)"</string>
diff --git a/java/res/values-hy-rAM/strings.xml b/java/res/values-hy-rAM/strings.xml
index 409c61e..57c0e61 100644
--- a/java/res/values-hy-rAM/strings.xml
+++ b/java/res/values-hy-rAM/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Միացրեք ականջակալը՝ բարձրաձայն արտասանվող գաղտնաբառը լսելու համար:"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Տվյալ տեքստը %s է"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Տեքստ չի մուտքագրվել"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g>-ը շտկում է <xliff:g id="ORIGINAL">%2$s</xliff:g>-ը և դարձնում <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g>-ն ունի ինքնուրույն շտկում"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Բանալու կոդը՝ %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift-ը միացված է (հպել անջատելու համար)"</string>
diff --git a/java/res/values-in/strings.xml b/java/res/values-in/strings.xml
index bfbd2a7..acd8394 100644
--- a/java/res/values-in/strings.xml
+++ b/java/res/values-in/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Pasang headset untuk mendengar tombol sandi yang diucapkan dengan keras."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Teks saat ini adalah %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Tidak ada teks yang dimasukkan"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> mengoreksi <xliff:g id="ORIGINAL">%2$s</xliff:g> menjadi <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> memiliki koreksi otomatis"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kode tombol %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift hidup (ketuk untuk mematikan)"</string>
diff --git a/java/res/values-it/strings.xml b/java/res/values-it/strings.xml
index 6989643..2357aa2 100644
--- a/java/res/values-it/strings.xml
+++ b/java/res/values-it/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Collega gli auricolari per ascoltare la pronuncia dei tasti premuti per la password."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Il testo attuale è %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nessun testo inserito"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corregge <xliff:g id="ORIGINAL">%2$s</xliff:g> con <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> ha la funzione di correzione automatica"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Codice tasto %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Maiuscolo"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Maiuscolo attivo (tocca per disattivare)"</string>
diff --git a/java/res/values-iw/strings.xml b/java/res/values-iw/strings.xml
index b3ee014..1ad2c3e 100644
--- a/java/res/values-iw/strings.xml
+++ b/java/res/values-iw/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"חבר אוזניות כדי לשמוע הקראה של מפתחות סיסמה."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"הטקסט הנוכחי הוא %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"לא הוזן טקסט"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> מתקן את <xliff:g id="ORIGINAL">%2$s</xliff:g> ל-<xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> מבצע תיקון אוטומטי"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"קוד מקש %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift פועל (הקש כדי להשבית)"</string>
diff --git a/java/res/values-ja/strings.xml b/java/res/values-ja/strings.xml
index 37f0637..9cda30b 100644
--- a/java/res/values-ja/strings.xml
+++ b/java/res/values-ja/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"パスワードのキーが音声出力されるのでヘッドセットを接続してください。"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"現在のテキスト:%s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"テキストが入力されていません"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g>は<xliff:g id="ORIGINAL">%2$s</xliff:g>を<xliff:g id="CORRECTED">%3$s</xliff:g>に修正します"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g>で自動修正が実行されます"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"キーコード:%d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift有効（タップして解除）"</string>
diff --git a/java/res/values-ka-rGE/strings.xml b/java/res/values-ka-rGE/strings.xml
index 193f511..3fd1680 100644
--- a/java/res/values-ka-rGE/strings.xml
+++ b/java/res/values-ka-rGE/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"შეაერთეთ ყურსაცვამი, რათა მოისმინოთ აკრეფილი პაროლის კლავიშების სახელები."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"მიმდინარე ტექსტი არის %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"ტექსტი არ შეყვანილა"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> შეასწორებს <xliff:g id="ORIGINAL">%2$s</xliff:g>-ს <xliff:g id="CORRECTED">%3$s</xliff:g>-ად"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g>-ს ავტოკორექცია გააჩნია"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"კლავიატურის კოდი %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift ჩართულია (შეეხეთ გამოსართავად)"</string>
diff --git a/java/res/values-km-rKH/strings.xml b/java/res/values-km-rKH/strings.xml
index 7294c7e..34c4269 100644
--- a/java/res/values-km-rKH/strings.xml
+++ b/java/res/values-km-rKH/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"ដោត​កាស ដើម្បី​ស្ដាប់​ពាក្យ​សម្ងាត់។"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"អត្ថបទ​បច្ចុប្បន្ន​គឺ %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"គ្មាន​អត្ថបទ​​​បាន​បញ្ចូល"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> កែ <xliff:g id="ORIGINAL">%2$s</xliff:g> ទៅ <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> មាន​ការ​កែ​ស្វ័យ​ប្រវត្តិ"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"កូដ​គ្រាប់​ចុច %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"បើក Shift (​ប៉ះ​ដើម្បី​បិទ)"</string>
diff --git a/java/res/values-ko/strings.xml b/java/res/values-ko/strings.xml
index 1497812..630ae7e 100644
--- a/java/res/values-ko/strings.xml
+++ b/java/res/values-ko/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"비밀번호 키를 음성으로 들으려면 헤드셋을 연결하세요."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"입력한 텍스트: %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"입력한 텍스트 없음"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g>을(를) 누르면 <xliff:g id="ORIGINAL">%2$s</xliff:g>을(를) <xliff:g id="CORRECTED">%3$s</xliff:g>(으)로 수정합니다."</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g>을(를) 누르면 자동 수정됩니다."</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"키 코드 %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"시프트 키"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift 사용(사용하지 않으려면 탭하세요.)"</string>
diff --git a/java/res/values-lo-rLA/strings.xml b/java/res/values-lo-rLA/strings.xml
index 9bf4627..0d7f7a2 100644
--- a/java/res/values-lo-rLA/strings.xml
+++ b/java/res/values-lo-rLA/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"ສຽບສາຍຫູຟັງເພື່ອຟັງລະຫັດຜ່ານ."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"ຂໍ້ຄວາມປະຈຸບັນແມ່ນ %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"ບໍ່ມີການໃສ່ຂໍ້ຄວາມ"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> ຖືກແປງຈາກ <xliff:g id="ORIGINAL">%2$s</xliff:g> ເປັນ <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> ບໍ່ມີການກວດຄຳຖືກອັດຕະໂນມັດ"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"ລະຫັດກະແຈ %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift ເປີດນຳໃຊ້ຢູ່ (ກົດເພື່ອປິດນຳໃຊ້)"</string>
diff --git a/java/res/values-lt/strings.xml b/java/res/values-lt/strings.xml
index 88328db..d40b54b 100644
--- a/java/res/values-lt/strings.xml
+++ b/java/res/values-lt/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Prijunkite ausines, kad išgirstumėte sakomus slaptažodžio klavišus."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Dabartinis tekstas yra %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nėra įvesto teksto"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"„<xliff:g id="KEY">%1$s</xliff:g>“ pataiso „<xliff:g id="ORIGINAL">%2$s</xliff:g>“ į „<xliff:g id="CORRECTED">%3$s</xliff:g>“"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"„<xliff:g id="KEY">%1$s</xliff:g>“ atlieka automatinį taisymą"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Klavišo kodas %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Antrojo lygio klavišas"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Įjungtas antrasis lygis (palieskite, kad išjungtumėte)"</string>
diff --git a/java/res/values-lv/strings.xml b/java/res/values-lv/strings.xml
index 069c487..cde9c34 100644
--- a/java/res/values-lv/strings.xml
+++ b/java/res/values-lv/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Pievienojiet austiņas, lai dzirdētu paroles rakstzīmes."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Pašreizējais teksts ir %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nav ievadīts teksts"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Nospiežot taustiņu <xliff:g id="KEY">%1$s</xliff:g>, “<xliff:g id="ORIGINAL">%2$s</xliff:g>” tiek labots uz “<xliff:g id="CORRECTED">%3$s</xliff:g>”."</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Taustiņam <xliff:g id="KEY">%1$s</xliff:g> ir automātiskas labošanas funkcija."</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Taustiņu kods %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Pārslēgšanas taustiņš"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Pārslēgšanas taustiņš iespējots (pieskarieties, lai atspējotu)"</string>
diff --git a/java/res/values-mn-rMN/strings.xml b/java/res/values-mn-rMN/strings.xml
index 3b039f1..177b533 100644
--- a/java/res/values-mn-rMN/strings.xml
+++ b/java/res/values-mn-rMN/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Нууц үгний товчнуудыг чангаар уншихыг сонсохын тулд чихэвчээ залгана уу."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Одоогийн текст %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Текст оруулаагүй"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> нь <xliff:g id="ORIGINAL">%2$s</xliff:g>-г <xliff:g id="CORRECTED">%3$s</xliff:g> болгож залруулна"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> автомат залруулагчтай"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Товчийн код %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Сэлгэх"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Сэлгэхийг идэвхжүүлсэн (товшиж идэвхгүйжүүлнэ үү)"</string>
diff --git a/java/res/values-ms-rMY/strings.xml b/java/res/values-ms-rMY/strings.xml
index ee241d6..0e8b4eb 100644
--- a/java/res/values-ms-rMY/strings.xml
+++ b/java/res/values-ms-rMY/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Pasangkan set kepala untuk mendengar kekunci kata laluan disebut dengan kuat."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Teks semasa adalah %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Tiada teks dimasukkan"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> membetulkan <xliff:g id="ORIGINAL">%2$s</xliff:g> menjadi <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> mempunyai auto pembetulan"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kod kunci %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Kunci anjak dihidupkan (ketik untuk melumpuhkan)"</string>
diff --git a/java/res/values-nb/strings.xml b/java/res/values-nb/strings.xml
index ae43d10..1bd91b6 100644
--- a/java/res/values-nb/strings.xml
+++ b/java/res/values-nb/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Koble til hodetelefoner for å høre opplesing av bokstavene i passordet."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Gjeldende tekst er %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Ingen tekst er skrevet inn"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> korrigerer <xliff:g id="ORIGINAL">%2$s</xliff:g> til <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> har automatisk korrigering"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Tastaturkode %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift er på (trykk for å deaktivere)"</string>
diff --git a/java/res/values-nl/strings.xml b/java/res/values-nl/strings.xml
index de20da4..b1d1bb3 100644
--- a/java/res/values-nl/strings.xml
+++ b/java/res/values-nl/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Sluit een headset aan om wachtwoordtoetsen hardop te laten voorlezen."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Huidige tekst is %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Geen tekst ingevoerd"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Met <xliff:g id="KEY">%1$s</xliff:g> wordt <xliff:g id="ORIGINAL">%2$s</xliff:g> gecorrigeerd naar <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Met <xliff:g id="KEY">%1$s</xliff:g> voert u automatische correctie uit"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Toetscode %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift aan (tik om uit te schakelen)"</string>
diff --git a/java/res/values-pl/strings.xml b/java/res/values-pl/strings.xml
index 3908375..f830b37 100644
--- a/java/res/values-pl/strings.xml
+++ b/java/res/values-pl/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Podłącz zestaw słuchawkowy, aby usłyszeć znaki hasła wypowiadane na głos."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Aktualny tekst: %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nie wprowadzono tekstu"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> poprawia <xliff:g id="ORIGINAL">%2$s</xliff:g> na <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> zapewnia autokorektę"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kod klawisza: %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift włączony (kliknij, by wyłączyć)"</string>
diff --git a/java/res/values-pt-rPT/strings.xml b/java/res/values-pt-rPT/strings.xml
index 4c81479..dbf34f9 100644
--- a/java/res/values-pt-rPT/strings.xml
+++ b/java/res/values-pt-rPT/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Ligar auscultadores com microfone integrado para ouvir as teclas da palavra-passe."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"O texto atual é %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nenhum texto digitado"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corrige <xliff:g id="ORIGINAL">%2$s</xliff:g> para <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> tem correção automática"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Código da tecla %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift ativado (tocar para desativar)"</string>
diff --git a/java/res/values-pt/strings.xml b/java/res/values-pt/strings.xml
index ef533ae..3f98372 100644
--- a/java/res/values-pt/strings.xml
+++ b/java/res/values-pt/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Conecte um fone de ouvido para ouvir as chaves de senha em voz alta."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"O texto atual é %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nenhum texto digitado"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corrige <xliff:g id="ORIGINAL">%2$s</xliff:g> para <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> possui correção automática"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Código de tecla %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift ativado (toque para desativar)"</string>
diff --git a/java/res/values-ro/strings.xml b/java/res/values-ro/strings.xml
index 930b68b..f67f58e 100644
--- a/java/res/values-ro/strings.xml
+++ b/java/res/values-ro/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Conectaţi un set căşti-microfon pentru a auzi tastele apăsate când introduceţi parola."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Textul curent este %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nu a fost introdus text"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> corectează <xliff:g id="ORIGINAL">%2$s</xliff:g> cu <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> dispune de corectare automată"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Tasta cu codul %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Tasta Shift este activată (apăsaţi pentru a o dezactiva)"</string>
diff --git a/java/res/values-ru/strings.xml b/java/res/values-ru/strings.xml
index 8bfb011..20f358a 100644
--- a/java/res/values-ru/strings.xml
+++ b/java/res/values-ru/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Подключите гарнитуру, чтобы услышать пароль."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Введенный текст: %s."</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Текст не введен"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"При нажатии клавиши \"<xliff:g id="KEY">%1$s</xliff:g>\" слово \"<xliff:g id="ORIGINAL">%2$s</xliff:g>\" будет исправлено на \"<xliff:g id="CORRECTED">%3$s</xliff:g>\""</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Для клавиши \"<xliff:g id="KEY">%1$s</xliff:g>\" назначена операция автоисправления"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Код клавиши:%d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Клавиша верхнего регистра"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Верхний регистр включен (нажмите, чтобы отключить)"</string>
diff --git a/java/res/values-sk/strings.xml b/java/res/values-sk/strings.xml
index 5c25f28..3f6706c 100644
--- a/java/res/values-sk/strings.xml
+++ b/java/res/values-sk/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Ak si chcete pri zadávaní hesla vypočuť nahlas vyslovené klávesy, pripojte náhlavnú súpravu."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Aktuálny text je %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Nie je zadaný žiadny text"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Klávesom <xliff:g id="KEY">%1$s</xliff:g> opravíte <xliff:g id="ORIGINAL">%2$s</xliff:g> na <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Klávesom <xliff:g id="KEY">%1$s</xliff:g> spustíte automatické opravy"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Kód klávesu %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Kláves Shift je zapnutý (zakážete ho klepnutím)"</string>
diff --git a/java/res/values-sl/strings.xml b/java/res/values-sl/strings.xml
index dde01dd..6c8115e 100644
--- a/java/res/values-sl/strings.xml
+++ b/java/res/values-sl/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Priključite slušalke, če želite slišati izgovorjene tipke gesla."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Trenutno besedilo je %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Ni vnesenega besedila"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Tipka <xliff:g id="KEY">%1$s</xliff:g> popravi <xliff:g id="ORIGINAL">%2$s</xliff:g> v <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Tipka <xliff:g id="KEY">%1$s</xliff:g> izvede samodejno popravljanje"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Koda tipke %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift je vklopljen (dotaknite se, da onemogočite)"</string>
diff --git a/java/res/values-sr/strings.xml b/java/res/values-sr/strings.xml
index e7f6904..92e465c 100644
--- a/java/res/values-sr/strings.xml
+++ b/java/res/values-sr/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Укључите слушалице да бисте чули наглас изговорене тастере за лозинку."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Тренутни текст је %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Текст није унет"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> исправља <xliff:g id="ORIGINAL">%2$s</xliff:g> у <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> има функцију аутоматског исправљања"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Кôд тастера %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift је укључен (додирните да бисте га онемогућили)"</string>
diff --git a/java/res/values-sv/strings.xml b/java/res/values-sv/strings.xml
index 0fcca48..009e829 100644
--- a/java/res/values-sv/strings.xml
+++ b/java/res/values-sv/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Anslut hörlurar om du vill att lösenordet ska läsas upp."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Nuvarande text är %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Ingen text har angetts"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> ändrar <xliff:g id="ORIGINAL">%2$s</xliff:g> till <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"Automatisk korrigering används för <xliff:g id="KEY">%1$s</xliff:g>"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Nyckelkod %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Skift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Skift på (knacka lätt för att inaktivera)"</string>
diff --git a/java/res/values-sw/strings.xml b/java/res/values-sw/strings.xml
index fbf868f..a6ada5b 100644
--- a/java/res/values-sw/strings.xml
+++ b/java/res/values-sw/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Chomeka plagi ya kifaa cha kichwa cha kusikiza ili kusikiliza msimbo wa nenosiri inayozungumwa kwa sauti ya juu."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Maandishi ya sasa ni %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Hakuna maandishi yaliyoingizwa"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> hurekebisha <xliff:g id="ORIGINAL">%2$s</xliff:g> hadi <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> ina urekebishaji wa kiotomatiki"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Msimbo wa kitufe %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Badilisha"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift imewashwa (gonga ili kulemaza)"</string>
diff --git a/java/res/values-th/strings.xml b/java/res/values-th/strings.xml
index f84b32c..f2e252d 100644
--- a/java/res/values-th/strings.xml
+++ b/java/res/values-th/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"เสียบชุดหูฟังเพื่อฟังเสียงเมื่อพิมพ์รหัสผ่าน"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"ข้อความปัจจุบันคือ %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"ไม่มีข้อความ"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> จะแก้ไข <xliff:g id="ORIGINAL">%2$s</xliff:g> เป็น <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> จะมีการแก้ไขอัตโนมัติ"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"รหัสคีย์ %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift เปิดอยู่ (แตะเพื่อปิดใช้งาน)"</string>
diff --git a/java/res/values-tl/strings.xml b/java/res/values-tl/strings.xml
index af1c68e..9a35545 100644
--- a/java/res/values-tl/strings.xml
+++ b/java/res/values-tl/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Mag-plug in ng headset upang marinig ang mga password key na binabanggit nang malakas."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Ang kasalukuyang teksto ay %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Walang tekstong inilagay"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"Itatama ng pagpindot sa <xliff:g id="KEY">%1$s</xliff:g> ang <xliff:g id="ORIGINAL">%2$s</xliff:g> at gagawing <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"May awtomatikong pagwasto ang <xliff:g id="KEY">%1$s</xliff:g>"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Code ng key %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Naka-on ang shift (i-tap upang huwag paganahin)"</string>
diff --git a/java/res/values-tr/strings.xml b/java/res/values-tr/strings.xml
index 4c8e1a8..ab376e1 100644
--- a/java/res/values-tr/strings.xml
+++ b/java/res/values-tr/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Şifre tuşlarının sesli okunmasını dinlemek için mikrofonlu kulaklık takın."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Mevcut metin: %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Hiç metin girilmedi"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> tuşuna basıldığında <xliff:g id="ORIGINAL">%2$s</xliff:g>, <xliff:g id="CORRECTED">%3$s</xliff:g> olarak düzeltilir"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> tuşunda otomatik düzeltme işlevi var"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Tuş kodu: %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Üst Karakter"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Üst karakter açık (devre dışı bırakmak için hafifçe vurun)"</string>
diff --git a/java/res/values-uk/strings.xml b/java/res/values-uk/strings.xml
index 287bcb3..2c51652 100644
--- a/java/res/values-uk/strings.xml
+++ b/java/res/values-uk/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Підключіть гарнітуру, щоб прослухати відтворені вголос символи пароля."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Поточний текст – %s."</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Текст не введено"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> виправляє <xliff:g id="ORIGINAL">%2$s</xliff:g> на <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> має функцію автоматичного виправлення"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Код клавіші – %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Клавіша Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift увімкнено (швидко торкніться, щоб вимкнути)"</string>
diff --git a/java/res/values-vi/strings.xml b/java/res/values-vi/strings.xml
index 8764df5..64b804a 100644
--- a/java/res/values-vi/strings.xml
+++ b/java/res/values-vi/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Cắm tai nghe để nghe mật khẩu."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Ký tự hiện tại là %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Không có ký tự nào được nhập"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"<xliff:g id="KEY">%1$s</xliff:g> sửa <xliff:g id="ORIGINAL">%2$s</xliff:g> thành <xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"<xliff:g id="KEY">%1$s</xliff:g> có tính năng tự động sửa"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Mã phím %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift đang bật (bấm để tắt)"</string>
diff --git a/java/res/values-zh-rCN/strings.xml b/java/res/values-zh-rCN/strings.xml
index f7ceff4..7683c84 100644
--- a/java/res/values-zh-rCN/strings.xml
+++ b/java/res/values-zh-rCN/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"需要插入耳机才能听到密码的按键声。"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"当前文本为%s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"未输入文字"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"按<xliff:g id="KEY">%1$s</xliff:g>可将<xliff:g id="ORIGINAL">%2$s</xliff:g>更正为<xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"按<xliff:g id="KEY">%1$s</xliff:g>可执行自动更正"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"键码为 %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift 模式已启用（点按即可停用）"</string>
diff --git a/java/res/values-zh-rHK/strings.xml b/java/res/values-zh-rHK/strings.xml
index be00628..b18e0d9 100644
--- a/java/res/values-zh-rHK/strings.xml
+++ b/java/res/values-zh-rHK/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"插上耳機即可聽到系統朗讀密碼鍵。"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"目前文字為 %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"未輸入文字"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"按「<xliff:g id="KEY">%1$s</xliff:g>」可將「<xliff:g id="ORIGINAL">%2$s</xliff:g>」修正為「<xliff:g id="CORRECTED">%3$s</xliff:g>」"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"「<xliff:g id="KEY">%1$s</xliff:g>」鍵具自動修正功能"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"按鍵代碼 %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift 鍵"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift 鍵已開啟 (輕按即可停用)"</string>
diff --git a/java/res/values-zh-rTW/strings.xml b/java/res/values-zh-rTW/strings.xml
index b773ad2..ef3c833 100644
--- a/java/res/values-zh-rTW/strings.xml
+++ b/java/res/values-zh-rTW/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"連接耳機即可聽取系統朗讀密碼按鍵。"</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"目前文字為 %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"未輸入文字"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"按下「<xliff:g id="KEY">%1$s</xliff:g>」可將「<xliff:g id="ORIGINAL">%2$s</xliff:g>」修正為「<xliff:g id="CORRECTED">%3$s</xliff:g>」"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"按下「<xliff:g id="KEY">%1$s</xliff:g>」可執行自動修正"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"按鍵代碼 %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift 鍵"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift 鍵已開啟 (輕按即可停用)"</string>
diff --git a/java/res/values-zu/strings.xml b/java/res/values-zu/strings.xml
index 8f722cc..2dafde9 100644
--- a/java/res/values-zu/strings.xml
+++ b/java/res/values-zu/strings.xml
@@ -84,10 +84,8 @@
     <string name="spoken_use_headphones" msgid="896961781287283493">"Plaka ku-headset ukuze uzwe okhiye bephasiwedi ezindlebeni zakho bezwakala kakhulu."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"Umbhalo wamanje ngu %s"</string>
     <string name="spoken_no_text_entered" msgid="7479685225597344496">"Awukho umbhalo ofakiwe"</string>
-    <!-- no translation found for spoken_auto_correct (5381764628886369268) -->
-    <skip />
-    <!-- no translation found for spoken_auto_correct_obscured (1186884531440481089) -->
-    <skip />
+    <string name="spoken_auto_correct" msgid="5381764628886369268">"I-<xliff:g id="KEY">%1$s</xliff:g> ilungisa i-<xliff:g id="ORIGINAL">%2$s</xliff:g> ibe yi-<xliff:g id="CORRECTED">%3$s</xliff:g>"</string>
+    <string name="spoken_auto_correct_obscured" msgid="1186884531440481089">"I-<xliff:g id="KEY">%1$s</xliff:g> inokulungiswa okuzenzakalelayo"</string>
     <string name="spoken_description_unknown" msgid="3197434010402179157">"Ikhodi yokhiye %d"</string>
     <string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
     <string name="spoken_description_shift_shifted" msgid="1681877323344195035">"U-Shift uvuliwe (thepha ukuwuvimbela)"</string>
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
index 9f9fdaa..506dfa7 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
@@ -178,6 +178,8 @@
             if (!state.mIsAlphabetShiftLocked) {
                 setShifted(state.mShiftMode);
             }
+            // TODO: is this the right place to do this? Should we do this in setShift* instead?
+            mSwitchActions.requestUpdatingShiftState();
         } else {
             mPrevMainKeyboardWasShiftLocked = state.mIsAlphabetShiftLocked;
         }
diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index 306c1a2..0985aae 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -273,9 +273,9 @@
                 lastModifiedTime);
     }
 
-    private void runGCIfRequired() {
+    protected void runGCIfRequired(final boolean mindsBlockByGC) {
         if (!ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE) return;
-        if (mBinaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
+        if (mBinaryDictionary.needsToRunGC(mindsBlockByGC)) {
             if (setIsRegeneratingIfNotRegenerating()) {
                 getExecutor(mFilename).execute(new Runnable() {
                     @Override
@@ -300,7 +300,7 @@
             Log.w(TAG, "addWordDynamically is called for non-updatable dictionary: " + mFilename);
             return;
         }
-        runGCIfRequired();
+        runGCIfRequired(true /* mindsBlockByGC */);
         getExecutor(mFilename).execute(new Runnable() {
             @Override
             public void run() {
@@ -324,7 +324,7 @@
                     + mFilename);
             return;
         }
-        runGCIfRequired();
+        runGCIfRequired(true /* mindsBlockByGC */);
         getExecutor(mFilename).execute(new Runnable() {
             @Override
             public void run() {
@@ -348,7 +348,7 @@
                     + mFilename);
             return;
         }
-        runGCIfRequired();
+        runGCIfRequired(true /* mindsBlockByGC */);
         getExecutor(mFilename).execute(new Runnable() {
             @Override
             public void run() {
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 96e16de..0f3d289 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -77,6 +77,7 @@
 import com.android.inputmethod.latin.Suggest.OnGetSuggestedWordsCallback;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.define.ProductionFlag;
+import com.android.inputmethod.latin.personalization.DictionaryDecayBroadcastReciever;
 import com.android.inputmethod.latin.personalization.PersonalizationDictionary;
 import com.android.inputmethod.latin.personalization.PersonalizationDictionarySessionRegister;
 import com.android.inputmethod.latin.personalization.PersonalizationHelper;
@@ -567,6 +568,8 @@
         newDictFilter.addAction(DictionaryPackConstants.NEW_DICTIONARY_INTENT_ACTION);
         registerReceiver(mDictionaryPackInstallReceiver, newDictFilter);
 
+        DictionaryDecayBroadcastReciever.setUpIntervalAlarmForDictionaryDecaying(this);
+
         mInputUpdater = new InputUpdater(this);
     }
 
@@ -2929,6 +2932,7 @@
             return;
         }
         tryFixLyingCursorPosition();
+        mKeyboardSwitcher.updateShiftState();
         if (tryResumeSuggestions) mHandler.postResumeSuggestions();
     }
 
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java
index 665c7a2..2c3d134 100644
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java
+++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderUtils.java
@@ -295,7 +295,6 @@
                 return address;
             }
         }
-        int address;
         switch (optionFlags & FormatSpec.MASK_CHILDREN_ADDRESS_TYPE) {
             case FormatSpec.FLAG_CHILDREN_ADDRESS_TYPE_ONEBYTE:
                 return dictBuffer.readUnsignedByte();
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java
index af61f29..b602424 100644
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java
+++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictEncoderUtils.java
@@ -278,7 +278,6 @@
         // For future reference, the code to remove duplicate is a simple : list.remove(node);
         list.add(ptNodeArray);
         final ArrayList<PtNode> branches = ptNodeArray.mData;
-        final int nodeSize = branches.size();
         for (PtNode ptNode : branches) {
             if (null != ptNode.mChildren) flattenTreeInner(list, ptNode.mChildren);
         }
@@ -427,9 +426,6 @@
                         nodeCountSize + nodeArrayOffset + nodeffset;
                 nodeffset += ptNode.mCachedSize;
             }
-            final int nodeSize = nodeCountSize + nodeffset
-                    + (formatOptions.mSupportsDynamicUpdate
-                            ? FormatSpec.FORWARD_LINK_ADDRESS_SIZE : 0);
             nodeArrayOffset += nodeArray.mCachedSize;
         }
         return nodeArrayOffset;
@@ -653,8 +649,8 @@
         return flags;
     }
 
-    /* package */ static byte makePtNodeFlags(final PtNode node, final int ptNodeAddress,
-            final int childrenOffset, final FormatOptions formatOptions) {
+    /* package */ static byte makePtNodeFlags(final PtNode node, final int childrenOffset,
+            final FormatOptions formatOptions) {
         return (byte) makePtNodeFlags(node.mChars.length > 1, node.mFrequency >= 0,
                 getByteSize(childrenOffset),
                 node.mShortcutTargets != null && !node.mShortcutTargets.isEmpty(),
diff --git a/java/src/com/android/inputmethod/latin/makedict/DynamicBinaryDictIOUtils.java b/java/src/com/android/inputmethod/latin/makedict/DynamicBinaryDictIOUtils.java
index 411e265..5c69941 100644
--- a/java/src/com/android/inputmethod/latin/makedict/DynamicBinaryDictIOUtils.java
+++ b/java/src/com/android/inputmethod/latin/makedict/DynamicBinaryDictIOUtils.java
@@ -59,7 +59,7 @@
             throws IOException, UnsupportedFormatException {
         final DictBuffer dictBuffer = dictDecoder.getDictBuffer();
         dictBuffer.position(0);
-        final FileHeader header = dictDecoder.readHeader();
+        dictDecoder.readHeader();
         final int wordPosition = dictDecoder.getTerminalPosition(word);
         if (wordPosition == FormatSpec.NOT_VALID_WORD) return;
 
@@ -142,8 +142,7 @@
         final int originalPosition = dictBuffer.position();
         dictBuffer.position(ptNodeOriginAddress);
         final int flags = dictBuffer.readUnsignedByte();
-        final int parentAddress = BinaryDictDecoderUtils.readParentAddress(dictBuffer,
-                formatOptions);
+        BinaryDictDecoderUtils.readParentAddress(dictBuffer, formatOptions);
         BinaryDictIOUtils.skipString(dictBuffer, (flags & FormatSpec.FLAG_HAS_MULTIPLE_CHARS) != 0);
         if ((flags & FormatSpec.FLAG_IS_TERMINAL) != 0) dictBuffer.readUnsignedByte();
         final int childrenOffset = newChildrenAddress == FormatSpec.NO_CHILDREN_ADDRESS
diff --git a/java/src/com/android/inputmethod/latin/makedict/SparseTable.java b/java/src/com/android/inputmethod/latin/makedict/SparseTable.java
index 96d057a..7592a0c 100644
--- a/java/src/com/android/inputmethod/latin/makedict/SparseTable.java
+++ b/java/src/com/android/inputmethod/latin/makedict/SparseTable.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin.makedict;
 
 import com.android.inputmethod.annotations.UsedForTesting;
+import com.android.inputmethod.latin.utils.CollectionUtils;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -37,35 +38,39 @@
     /**
      * mLookupTable is indexed by terminal ID, containing exactly one entry for every mBlockSize
      * terminals.
-     * It contains at index i = j / mBlockSize the index in mContentsTable where the values for
-     * terminals with IDs j to j + mBlockSize - 1 are stored as an mBlockSize-sized integer array.
+     * It contains at index i = j / mBlockSize the index in each ArrayList in mContentsTables where
+     * the values for terminals with IDs j to j + mBlockSize - 1 are stored as an mBlockSize-sized
+     * integer array.
      */
     private final ArrayList<Integer> mLookupTable;
-    private final ArrayList<Integer> mContentTable;
+    private final ArrayList<ArrayList<Integer>> mContentTables;
 
     private final int mBlockSize;
+    private final int mContentTableCount;
     public static final int NOT_EXIST = -1;
+    public static final int SIZE_OF_INT_IN_BYTES = 4;
 
     @UsedForTesting
-    public SparseTable(final int initialCapacity, final int blockSize) {
+    public SparseTable(final int initialCapacity, final int blockSize,
+            final int contentTableCount) {
         mBlockSize = blockSize;
         final int lookupTableSize = initialCapacity / mBlockSize
                 + (initialCapacity % mBlockSize > 0 ? 1 : 0);
         mLookupTable = new ArrayList<Integer>(Collections.nCopies(lookupTableSize, NOT_EXIST));
-        mContentTable = new ArrayList<Integer>();
+        mContentTableCount = contentTableCount;
+        mContentTables = CollectionUtils.newArrayList();
+        for (int i = 0; i < mContentTableCount; ++i) {
+            mContentTables.add(new ArrayList<Integer>());
+        }
     }
 
     @UsedForTesting
-    public SparseTable(final int[] lookupTable, final int[] contentTable, final int blockSize) {
+    public SparseTable(final ArrayList<Integer> lookupTable,
+            final ArrayList<ArrayList<Integer>> contentTables, final int blockSize) {
         mBlockSize = blockSize;
-        mLookupTable = new ArrayList<Integer>(lookupTable.length);
-        for (int i = 0; i < lookupTable.length; ++i) {
-            mLookupTable.add(lookupTable[i]);
-        }
-        mContentTable = new ArrayList<Integer>(contentTable.length);
-        for (int i = 0; i < contentTable.length; ++i) {
-            mContentTable.add(contentTable[i]);
-        }
+        mContentTableCount = contentTables.size();
+        mLookupTable = lookupTable;
+        mContentTables = contentTables;
     }
 
     /**
@@ -75,8 +80,8 @@
      * Otherwise, IndexOutOfBoundsException will be raised.
      */
     @UsedForTesting
-    private static void convertByteArrayToIntegerArray(final byte[] byteArray,
-            final ArrayList<Integer> integerArray) {
+    private static ArrayList<Integer> convertByteArrayToIntegerArray(final byte[] byteArray) {
+        final ArrayList<Integer> integerArray = new ArrayList<Integer>(byteArray.length / 4);
         for (int i = 0; i < byteArray.length; i += 4) {
             int value = 0;
             for (int j = i; j < i + 4; ++j) {
@@ -85,39 +90,43 @@
              }
             integerArray.add(value);
         }
+        return integerArray;
     }
 
     @UsedForTesting
-    public SparseTable(final byte[] lookupTable, final byte[] contentTable, final int blockSize) {
-        mBlockSize = blockSize;
-        mLookupTable = new ArrayList<Integer>(lookupTable.length / 4);
-        mContentTable = new ArrayList<Integer>(contentTable.length / 4);
-        convertByteArrayToIntegerArray(lookupTable, mLookupTable);
-        convertByteArrayToIntegerArray(contentTable, mContentTable);
-    }
-
-    @UsedForTesting
-    public int get(final int index) {
-        if (index < 0 || index / mBlockSize >= mLookupTable.size()
-                || mLookupTable.get(index / mBlockSize) == NOT_EXIST) {
+    public int get(final int contentTableIndex, final int index) {
+        if (!contains(index)) {
             return NOT_EXIST;
         }
-        return mContentTable.get(mLookupTable.get(index / mBlockSize) + (index % mBlockSize));
+        return mContentTables.get(contentTableIndex).get(
+                mLookupTable.get(index / mBlockSize) + (index % mBlockSize));
     }
 
     @UsedForTesting
-    public void set(final int index, final int value) {
-        if (mLookupTable.get(index / mBlockSize) == NOT_EXIST) {
-            mLookupTable.set(index / mBlockSize, mContentTable.size());
-            for (int i = 0; i < mBlockSize; ++i) {
-                mContentTable.add(NOT_EXIST);
-            }
+    public ArrayList<Integer> getAll(final int index) {
+        final ArrayList<Integer> ret = CollectionUtils.newArrayList();
+        for (int i = 0; i < mContentTableCount; ++i) {
+            ret.add(get(i, index));
         }
-        mContentTable.set(mLookupTable.get(index / mBlockSize) + (index % mBlockSize), value);
+        return ret;
     }
 
-    public void remove(final int index) {
-        set(index, NOT_EXIST);
+    @UsedForTesting
+    public void set(final int contentTableIndex, final int index, final int value) {
+        if (mLookupTable.get(index / mBlockSize) == NOT_EXIST) {
+            mLookupTable.set(index / mBlockSize, mContentTables.get(contentTableIndex).size());
+            for (int i = 0; i < mContentTableCount; ++i) {
+                for (int j = 0; j < mBlockSize; ++j) {
+                    mContentTables.get(i).add(NOT_EXIST);
+                }
+            }
+        }
+        mContentTables.get(contentTableIndex).set(
+                mLookupTable.get(index / mBlockSize) + (index % mBlockSize), value);
+    }
+
+    public void remove(final int indexOfContent, final int index) {
+        set(indexOfContent, index, NOT_EXIST);
     }
 
     @UsedForTesting
@@ -127,7 +136,8 @@
 
     @UsedForTesting
     /* package */ int getContentTableSize() {
-        return mContentTable.size();
+        // This class always has at least one content table.
+        return mContentTables.get(0).size();
     }
 
     @UsedForTesting
@@ -136,36 +146,51 @@
     }
 
     public boolean contains(final int index) {
-        return get(index) != NOT_EXIST;
+        if (index < 0 || index / mBlockSize >= mLookupTable.size()
+                || mLookupTable.get(index / mBlockSize) == NOT_EXIST) {
+            return false;
+        }
+        return true;
     }
 
     @UsedForTesting
-    public void write(final OutputStream lookupOutStream, final OutputStream contentOutStream)
+    public void write(final OutputStream lookupOutStream, final OutputStream[] contentOutStreams)
             throws IOException {
+         if (contentOutStreams.length != mContentTableCount) {
+             throw new RuntimeException(contentOutStreams.length + " streams are given, but the"
+                     + " table has " + mContentTableCount + " content tables.");
+         }
         for (final int index : mLookupTable) {
-          BinaryDictEncoderUtils.writeUIntToStream(lookupOutStream, index, 4);
+          BinaryDictEncoderUtils.writeUIntToStream(lookupOutStream, index, SIZE_OF_INT_IN_BYTES);
         }
 
-        for (final int index : mContentTable) {
-            BinaryDictEncoderUtils.writeUIntToStream(contentOutStream, index, 4);
+        for (int i = 0; i < contentOutStreams.length; ++i) {
+            for (final int data : mContentTables.get(i)) {
+                BinaryDictEncoderUtils.writeUIntToStream(contentOutStreams[i], data,
+                        SIZE_OF_INT_IN_BYTES);
+            }
         }
     }
 
     @UsedForTesting
-    public void writeToFiles(final File lookupTableFile, final File contentFile)
+    public void writeToFiles(final File lookupTableFile, final File[] contentFiles)
             throws IOException {
-      FileOutputStream lookupTableOutStream = null;
-      FileOutputStream contentOutStream = null;
+        FileOutputStream lookupTableOutStream = null;
+        final FileOutputStream[] contentTableOutStreams = new FileOutputStream[mContentTableCount];
         try {
             lookupTableOutStream = new FileOutputStream(lookupTableFile);
-            contentOutStream = new FileOutputStream(contentFile);
-            write(lookupTableOutStream, contentOutStream);
+            for (int i = 0; i < contentFiles.length; ++i) {
+                contentTableOutStreams[i] = new FileOutputStream(contentFiles[i]);
+            }
+            write(lookupTableOutStream, contentTableOutStreams);
         } finally {
             if (lookupTableOutStream != null) {
                 lookupTableOutStream.close();
             }
-            if (contentOutStream != null) {
-                contentOutStream.close();
+            for (int i = 0; i < contentTableOutStreams.length; ++i) {
+                if (contentTableOutStreams[i] != null) {
+                    contentTableOutStreams[i].close();
+                }
             }
         }
     }
@@ -185,10 +210,14 @@
     }
 
     @UsedForTesting
-    public static SparseTable readFromFiles(final File lookupTableFile, final File contentFile,
+    public static SparseTable readFromFiles(final File lookupTableFile, final File[] contentFiles,
             final int blockSize) throws IOException {
-        final byte[] lookupTable = readFileToByteArray(lookupTableFile);
-        final byte[] content = readFileToByteArray(contentFile);
-        return new SparseTable(lookupTable, content, blockSize);
+        final ArrayList<ArrayList<Integer>> contentTables =
+                new ArrayList<ArrayList<Integer>>(contentFiles.length);
+        for (int i = 0; i < contentFiles.length; ++i) {
+            contentTables.add(convertByteArrayToIntegerArray(readFileToByteArray(contentFiles[i])));
+        }
+        return new SparseTable(convertByteArrayToIntegerArray(readFileToByteArray(lookupTableFile)),
+                contentTables, blockSize);
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java
index 76f0f40..d9e1989 100644
--- a/java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java
+++ b/java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java
@@ -133,12 +133,10 @@
                 countSize);
     }
 
-    private void writePtNodeFlags(final PtNode ptNode, final int parentAddress,
-            final FormatOptions formatOptions) {
+    private void writePtNodeFlags(final PtNode ptNode, final FormatOptions formatOptions) {
         final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode, formatOptions);
         mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition,
-                BinaryDictEncoderUtils.makePtNodeFlags(ptNode, mPosition, childrenPos,
-                        formatOptions),
+                BinaryDictEncoderUtils.makePtNodeFlags(ptNode, childrenPos, formatOptions),
                 FormatSpec.PTNODE_FLAGS_SIZE);
     }
 
@@ -244,7 +242,7 @@
     @Override
     public void writePtNode(final PtNode ptNode, final int parentPosition,
             final FormatOptions formatOptions, final FusionDictionary dict) {
-        writePtNodeFlags(ptNode, parentPosition, formatOptions);
+        writePtNodeFlags(ptNode, formatOptions);
         writeParentPosition(parentPosition, ptNode, formatOptions);
         writeCharacters(ptNode.mChars, ptNode.hasSeveralChars());
         writeFrequency(ptNode.mFrequency);
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java
index 89370f0..624b278 100644
--- a/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java
+++ b/java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java
@@ -95,7 +95,6 @@
 
     @Override
     public void openDictBuffer() throws FileNotFoundException, IOException {
-        final String filename = mDictDirectory.getName();
         mDictBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_TRIE));
         mFrequencyBuffer = mBufferFactory.getDictionaryBuffer(getFile(FILETYPE_FREQUENCY));
         mTerminalAddressTableBuffer = mBufferFactory.getDictionaryBuffer(
@@ -131,7 +130,7 @@
                 mDictDirectory.getName() + FormatSpec.BIGRAM_LOOKUP_TABLE_FILE_EXTENSION);
         final File contentFile = new File(mDictDirectory,
                 mDictDirectory.getName() + FormatSpec.BIGRAM_ADDRESS_TABLE_FILE_EXTENSION);
-        mBigramAddressTable = SparseTable.readFromFiles(lookupIndexFile, contentFile,
+        mBigramAddressTable = SparseTable.readFromFiles(lookupIndexFile, new File[] { contentFile },
                 FormatSpec.BIGRAM_ADDRESS_TABLE_BLOCK_SIZE);
     }
 
@@ -208,7 +207,7 @@
         final ArrayList<PendingAttribute> bigrams;
         if (0 != (flags & FormatSpec.FLAG_HAS_BIGRAMS)) {
             bigrams = new ArrayList<PendingAttribute>();
-            final int posOfBigrams = mBigramAddressTable.get(terminalId);
+            final int posOfBigrams = mBigramAddressTable.get(0 /* contentTableIndex */, terminalId);
             mBigramBuffer.position(posOfBigrams);
             while (bigrams.size() < FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
                 // If bigrams.size() reaches FormatSpec.MAX_BIGRAMS_IN_A_PTNODE,
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
index 4c25faf..a403e25 100644
--- a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
+++ b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
@@ -136,7 +136,7 @@
 
         writeTerminalData(flatNodes, terminalCount);
         mBigramAddressTable = new SparseTable(terminalCount,
-                FormatSpec.BIGRAM_ADDRESS_TABLE_BLOCK_SIZE);
+                FormatSpec.BIGRAM_ADDRESS_TABLE_BLOCK_SIZE, 1 /* contentTableCount */);
         writeBigrams(flatNodes, dict);
         writeBigramAddressSparseTable();
 
@@ -181,12 +181,10 @@
                 countSize);
     }
 
-    private void writePtNodeFlags(final PtNode ptNode, final int parentAddress,
-            final FormatOptions formatOptions) {
+    private void writePtNodeFlags(final PtNode ptNode, final FormatOptions formatOptions) {
         final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode, formatOptions);
         mTriePos = BinaryDictEncoderUtils.writeUIntToBuffer(mTrieBuf, mTriePos,
-                BinaryDictEncoderUtils.makePtNodeFlags(ptNode, mTriePos, childrenPos,
-                        formatOptions),
+                BinaryDictEncoderUtils.makePtNodeFlags(ptNode, childrenPos, formatOptions),
                 FormatSpec.PTNODE_FLAGS_SIZE);
     }
 
@@ -231,8 +229,7 @@
         while (shortcutIterator.hasNext()) {
             final WeightedString target = shortcutIterator.next();
             final int shortcutFlags = BinaryDictEncoderUtils.makeShortcutFlags(
-                    shortcutIterator.hasNext(),
-                    target.mFrequency);
+                    shortcutIterator.hasNext(), target.mFrequency);
             mTrieBuf[mTriePos++] = (byte)shortcutFlags;
             final int shortcutShift = CharEncoding.writeString(mTrieBuf, mTriePos,
                     target.mWord);
@@ -254,7 +251,8 @@
             for (final PtNode ptNode : nodeArray.mData) {
                 if (ptNode.mBigrams != null) {
                     final int startPos = bigramBuffer.size();
-                    mBigramAddressTable.set(ptNode.mTerminalId, startPos);
+                    mBigramAddressTable.set(0 /* contentTableIndex */, ptNode.mTerminalId,
+                            startPos);
                     final Iterator<WeightedString> bigramIterator = ptNode.mBigrams.iterator();
                     while (bigramIterator.hasNext()) {
                         final WeightedString bigram = bigramIterator.next();
@@ -280,7 +278,7 @@
                 new File(mDictDir, mBaseFilename + FormatSpec.BIGRAM_LOOKUP_TABLE_FILE_EXTENSION);
         final File contentFile =
                 new File(mDictDir, mBaseFilename + FormatSpec.BIGRAM_ADDRESS_TABLE_FILE_EXTENSION);
-        mBigramAddressTable.writeToFiles(lookupIndexFile, contentFile);
+        mBigramAddressTable.writeToFiles(lookupIndexFile, new File[] { contentFile });
     }
 
     @Override
@@ -292,7 +290,7 @@
     @Override
     public void writePtNode(final PtNode ptNode, final int parentPosition,
             final FormatOptions formatOptions, final FusionDictionary dict) {
-        writePtNodeFlags(ptNode, parentPosition, formatOptions);
+        writePtNodeFlags(ptNode, formatOptions);
         writeParentPosition(parentPosition, ptNode, formatOptions);
         writeCharacters(ptNode.mChars, ptNode.hasSeveralChars());
         if (ptNode.isTerminal()) {
diff --git a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
index 7cf4f0c..2662164 100644
--- a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
+++ b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
@@ -236,4 +236,8 @@
         // Then flush the cleared state of the dictionary on disk.
         asyncFlashAllBinaryDictionary();
     }
+
+    /* package */ void decayIfNeeded() {
+        runGCIfRequired(false /* mindsBlockByGC */);
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/personalization/DictionaryDecayBroadcastReciever.java b/java/src/com/android/inputmethod/latin/personalization/DictionaryDecayBroadcastReciever.java
new file mode 100644
index 0000000..e9ca662
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/personalization/DictionaryDecayBroadcastReciever.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin.personalization;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Broadcast receiver for periodically updating decaying dictionaries.
+ */
+public class DictionaryDecayBroadcastReciever extends BroadcastReceiver {
+    /**
+     * The root domain for the personalization.
+     */
+    private static final String PERSONALIZATION_DOMAIN =
+            "com.android.inputmethod.latin.personalization";
+
+    /**
+     * The action of the intent to tell the time to decay dictionaries.
+     */
+    private static final String DICTIONARY_DECAY_INTENT_ACTION =
+            PERSONALIZATION_DOMAIN + ".DICT_DECAY";
+
+    /**
+     * Interval to update for decaying dictionaries.
+     */
+    private static final long DICTIONARY_DECAY_INTERVAL = TimeUnit.MINUTES.toMillis(60);
+
+    public static void setUpIntervalAlarmForDictionaryDecaying(Context context) {
+        AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
+        final Intent updateIntent = new Intent(DICTIONARY_DECAY_INTENT_ACTION);
+        updateIntent.setClass(context, DictionaryDecayBroadcastReciever.class);
+        final long alarmTime =  System.currentTimeMillis() + DICTIONARY_DECAY_INTERVAL;
+        final PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0 /* requestCode */,
+                updateIntent, PendingIntent.FLAG_CANCEL_CURRENT);
+        if (null != alarmManager) alarmManager.setInexactRepeating(AlarmManager.RTC,
+                alarmTime, DICTIONARY_DECAY_INTERVAL, pendingIntent);
+    }
+
+    @Override
+    public void onReceive(final Context context, final Intent intent) {
+        final String action = intent.getAction();
+        if (action.equals(DICTIONARY_DECAY_INTENT_ACTION)) {
+            PersonalizationHelper.tryDecayingAllOpeningUserHistoryDictionary();
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
index 8c9484b..221ddee 100644
--- a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
+++ b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
@@ -29,7 +29,6 @@
 public class PersonalizationHelper {
     private static final String TAG = PersonalizationHelper.class.getSimpleName();
     private static final boolean DEBUG = false;
-
     private static final ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
             sLangUserHistoryDictCache = CollectionUtils.newConcurrentHashMap();
 
@@ -62,6 +61,18 @@
         }
     }
 
+    public static void tryDecayingAllOpeningUserHistoryDictionary() {
+        for (final ConcurrentHashMap.Entry<String, SoftReference<UserHistoryDictionary>> entry
+                : sLangUserHistoryDictCache.entrySet()) {
+            if (entry.getValue() != null) {
+                final UserHistoryDictionary dict = entry.getValue().get();
+                if (dict != null) {
+                    dict.decayIfNeeded();
+                }
+            }
+        }
+    }
+
     public static void registerPersonalizationDictionaryUpdateSession(final Context context,
             final PersonalizationDictionaryUpdateSession session, String locale) {
         final PersonalizationPredictionDictionary predictionDictionary =
diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 36afea5..ca6a779 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -85,8 +85,8 @@
     $(addprefix suggest/policyimpl/dictionary/utils/, \
         buffer_with_extendable_buffer.cpp \
         byte_array_utils.cpp \
-        decaying_utils.cpp \
         dict_file_writing_utils.cpp \
+        forgetting_curve_utils.cpp \
         format_utils.cpp) \
     suggest/policyimpl/gesture/gesture_suggest_policy_factory.cpp \
     $(addprefix suggest/policyimpl/typing/, \
diff --git a/native/jni/src/suggest/policyimpl/dictionary/bigram/dynamic_bigram_list_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/bigram/dynamic_bigram_list_policy.cpp
index 67a085d..8753c6e 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/bigram/dynamic_bigram_list_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/bigram/dynamic_bigram_list_policy.cpp
@@ -20,7 +20,7 @@
 #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_node_reader.h"
 #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.h"
 #include "suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h"
-#include "suggest/policyimpl/dictionary/utils/decaying_utils.h"
+#include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
 
 namespace latinime {
 
@@ -43,7 +43,7 @@
     }
     *outProbability = BigramListReadWriteUtils::getProbabilityFromFlags(bigramFlags);
     *outHasNext = BigramListReadWriteUtils::hasNext(bigramFlags);
-    if (mIsDecayingDict && !DecayingUtils::isValidBigram(*outProbability)) {
+    if (mIsDecayingDict && !ForgettingCurveUtils::isValidEncodedProbability(*outProbability)) {
         // This bigram is too weak to output.
         *outBigramPos = NOT_A_DICT_POS;
     } else {
@@ -261,8 +261,8 @@
             const int originalProbability = BigramListReadWriteUtils::getProbabilityFromFlags(
                     bigramFlags);
             const int probabilityToWrite = mIsDecayingDict ?
-                    DecayingUtils::getUpdatedBigramProbabilityDelta(
-                            originalProbability, probability) : probability;
+                    ForgettingCurveUtils::getUpdatedEncodedProbability(originalProbability,
+                            probability) : probability;
             const BigramListReadWriteUtils::BigramFlags updatedFlags =
                     BigramListReadWriteUtils::setProbabilityInFlags(bigramFlags,
                             probabilityToWrite);
@@ -294,7 +294,7 @@
         int *const writingPos) {
     // hasNext is false because we are adding a new bigram entry at the end of the bigram list.
     const int probabilityToWrite = mIsDecayingDict ?
-            DecayingUtils::getUpdatedBigramProbabilityDelta(NOT_A_PROBABILITY, probability) :
+            ForgettingCurveUtils::getUpdatedEncodedProbability(NOT_A_PROBABILITY, probability) :
                     probability;
     return BigramListReadWriteUtils::createAndWriteBigramEntry(mBuffer, bigramTargetPos,
             probabilityToWrite, false /* hasNext */, writingPos);
@@ -365,9 +365,9 @@
     *outRemoved = false;
     if (mIsDecayingDict) {
         // Update bigram probability for decaying.
-        const int newProbability = DecayingUtils::getBigramProbabilityDeltaToSave(
+        const int newProbability = ForgettingCurveUtils::getEncodedProbabilityToSave(
                 BigramListReadWriteUtils::getProbabilityFromFlags(bigramFlags));
-        if (DecayingUtils::isValidBigram(newProbability)) {
+        if (ForgettingCurveUtils::isValidEncodedProbability(newProbability)) {
             // Write new probability.
             const BigramListReadWriteUtils::BigramFlags updatedBigramFlags =
                     BigramListReadWriteUtils::setProbabilityInFlags(
diff --git a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_gc_event_listeners.cpp b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_gc_event_listeners.cpp
index 081163a..324b530 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_gc_event_listeners.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_gc_event_listeners.cpp
@@ -16,7 +16,7 @@
 
 #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_gc_event_listeners.h"
 
-#include "suggest/policyimpl/dictionary/utils/decaying_utils.h"
+#include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
 
 namespace latinime {
 
@@ -29,14 +29,14 @@
     bool isUselessPtNode = !node->isTerminal();
     if (node->isTerminal() && mIsDecayingDict) {
         const int newProbability =
-                DecayingUtils::getUnigramProbabilityToSave(node->getProbability());
+                ForgettingCurveUtils::getEncodedProbabilityToSave(node->getProbability());
         int writingPos = node->getProbabilityFieldPos();
         // Update probability.
         if (!DynamicPatriciaTrieWritingUtils::writeProbabilityAndAdvancePosition(
                 mBuffer, newProbability, &writingPos)) {
             return false;
         }
-        if (!DecayingUtils::isValidUnigram(newProbability)) {
+        if (!ForgettingCurveUtils::isValidEncodedProbability(newProbability)) {
             isUselessPtNode = false;
         }
     }
diff --git a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp
index a5a42ea..60d0db0 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp
@@ -28,7 +28,7 @@
 #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_reading_utils.h"
 #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.h"
 #include "suggest/policyimpl/dictionary/patricia_trie_reading_utils.h"
-#include "suggest/policyimpl/dictionary/utils/decaying_utils.h"
+#include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
 #include "suggest/policyimpl/dictionary/utils/probability_utils.h"
 
 namespace latinime {
@@ -154,7 +154,7 @@
 int DynamicPatriciaTriePolicy::getProbability(const int unigramProbability,
         const int bigramProbability) const {
     if (mHeaderPolicy.isDecayingDict()) {
-        return DecayingUtils::getProbability(unigramProbability, bigramProbability);
+        return ForgettingCurveUtils::getProbability(unigramProbability, bigramProbability);
     } else {
         if (unigramProbability == NOT_A_PROBABILITY) {
             return NOT_A_PROBABILITY;
@@ -344,10 +344,10 @@
         // Needs to reduce dictionary size.
         return true;
     } else if (mHeaderPolicy.isDecayingDict()) {
-        if (mUnigramCount >= DecayingUtils::MAX_UNIGRAM_COUNT) {
+        if (mUnigramCount >= ForgettingCurveUtils::MAX_UNIGRAM_COUNT) {
             // Unigram count exceeds the limit.
             return true;
-        } else if (mBigramCount >= DecayingUtils::MAX_BIGRAM_COUNT) {
+        } else if (mBigramCount >= ForgettingCurveUtils::MAX_BIGRAM_COUNT) {
             // Bigram count exceeds the limit.
             return true;
         } else if (mindsBlockByGC && needsToDecay()) {
diff --git a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.cpp b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.cpp
index db6d48f..70a9ee5 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.cpp
@@ -25,8 +25,8 @@
 #include "suggest/policyimpl/dictionary/header/header_policy.h"
 #include "suggest/policyimpl/dictionary/patricia_trie_reading_utils.h"
 #include "suggest/policyimpl/dictionary/shortcut/dynamic_shortcut_list_policy.h"
-#include "suggest/policyimpl/dictionary/utils/decaying_utils.h"
 #include "suggest/policyimpl/dictionary/utils/dict_file_writing_utils.h"
+#include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
 #include "utils/hash_map_compat.h"
 
 namespace latinime {
@@ -494,7 +494,7 @@
         return false;
     }
     if (mNeedsToDecay && traversePolicyToUpdateUnigramProbabilityAndMarkUselessPtNodesAsDeleted
-            .getValidUnigramCount() > DecayingUtils::MAX_UNIGRAM_COUNT_AFTER_GC) {
+            .getValidUnigramCount() > ForgettingCurveUtils::MAX_UNIGRAM_COUNT_AFTER_GC) {
         // TODO: Remove more unigrams.
     }
 
@@ -507,7 +507,7 @@
     }
 
     if (mNeedsToDecay && traversePolicyToUpdateBigramProbability.getValidBigramEntryCount()
-            > DecayingUtils::MAX_BIGRAM_COUNT_AFTER_GC) {
+            > ForgettingCurveUtils::MAX_BIGRAM_COUNT_AFTER_GC) {
         // TODO: Remove more bigrams.
     }
 
@@ -545,7 +545,8 @@
 int DynamicPatriciaTrieWritingHelper::getUpdatedProbability(const int originalProbability,
         const int newProbability) {
     if (mNeedsToDecay) {
-        return DecayingUtils::getUpdatedUnigramProbability(originalProbability, newProbability);
+        return ForgettingCurveUtils::getUpdatedEncodedProbability(originalProbability,
+                newProbability);
     } else {
         return newProbability;
     }
diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.cpp b/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.cpp
deleted file mode 100644
index 942a742..0000000
--- a/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (C) 2013, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "suggest/policyimpl/dictionary/utils/decaying_utils.h"
-
-#include "suggest/policyimpl/dictionary/utils/probability_utils.h"
-
-namespace latinime {
-
-const int DecayingUtils::MAX_UNIGRAM_COUNT = 12000;
-const int DecayingUtils::MAX_UNIGRAM_COUNT_AFTER_GC = 10000;
-const int DecayingUtils::MAX_BIGRAM_COUNT = 12000;
-const int DecayingUtils::MAX_BIGRAM_COUNT_AFTER_GC = 10000;
-
-const int DecayingUtils::MAX_COMPUTED_PROBABILITY = 127;
-const int DecayingUtils::MAX_UNIGRAM_PROBABILITY = 120;
-const int DecayingUtils::MIN_VALID_UNIGRAM_PROBABILITY = 24;
-const int DecayingUtils::UNIGRAM_PROBABILITY_STEP = 8;
-const int DecayingUtils::MAX_BIGRAM_PROBABILITY_DELTA = 15;
-const int DecayingUtils::MIN_VALID_BIGRAM_PROBABILITY_DELTA = 3;
-const int DecayingUtils::BIGRAM_PROBABILITY_DELTA_STEP = 1;
-
-/* static */ int DecayingUtils::getProbability(const int encodedUnigramProbability,
-        const int encodedBigramProbabilityDelta) {
-    if (encodedUnigramProbability == NOT_A_PROBABILITY) {
-        return NOT_A_PROBABILITY;
-    } else if (encodedBigramProbabilityDelta == NOT_A_PROBABILITY) {
-        const int rawProbability = ProbabilityUtils::backoff(decodeUnigramProbability(
-                encodedUnigramProbability));
-        return min(getDecayedProbability(rawProbability), MAX_COMPUTED_PROBABILITY);
-    } else {
-        const int rawProbability = ProbabilityUtils::computeProbabilityForBigram(
-                decodeUnigramProbability(encodedUnigramProbability),
-                decodeBigramProbabilityDelta(encodedBigramProbabilityDelta));
-        return min(getDecayedProbability(rawProbability), MAX_COMPUTED_PROBABILITY);
-    }
-}
-
-/* static */ int DecayingUtils::getUpdatedUnigramProbability(const int originalEncodedProbability,
-        const int newProbability) {
-    if (originalEncodedProbability == NOT_A_PROBABILITY) {
-        // The unigram is not in this dictionary.
-        if (newProbability == NOT_A_PROBABILITY) {
-            // The unigram is not in other dictionaries.
-            return 0;
-        } else {
-            return MIN_VALID_UNIGRAM_PROBABILITY;
-        }
-    } else {
-        if (newProbability != NOT_A_PROBABILITY
-                && originalEncodedProbability < MIN_VALID_UNIGRAM_PROBABILITY) {
-            return MIN_VALID_UNIGRAM_PROBABILITY;
-        }
-        return min(originalEncodedProbability + UNIGRAM_PROBABILITY_STEP, MAX_UNIGRAM_PROBABILITY);
-    }
-}
-
-/* static */ int DecayingUtils::getUnigramProbabilityToSave(const int encodedProbability) {
-    return max(encodedProbability - UNIGRAM_PROBABILITY_STEP, 0);
-}
-
-/* static */ int DecayingUtils::getBigramProbabilityDeltaToSave(const int encodedProbabilityDelta) {
-    return max(encodedProbabilityDelta - BIGRAM_PROBABILITY_DELTA_STEP, 0);
-}
-
-/* static */ int DecayingUtils::getUpdatedBigramProbabilityDelta(
-        const int originalEncodedProbabilityDelta, const int newProbability) {
-    if (originalEncodedProbabilityDelta == NOT_A_PROBABILITY) {
-        // The bigram relation is not in this dictionary.
-        if (newProbability == NOT_A_PROBABILITY) {
-            // The bigram target is not in other dictionaries.
-            return 0;
-        } else {
-            return MIN_VALID_BIGRAM_PROBABILITY_DELTA;
-        }
-    } else {
-        if (newProbability != NOT_A_PROBABILITY
-                && originalEncodedProbabilityDelta < MIN_VALID_BIGRAM_PROBABILITY_DELTA) {
-            return MIN_VALID_BIGRAM_PROBABILITY_DELTA;
-        }
-        return min(originalEncodedProbabilityDelta + BIGRAM_PROBABILITY_DELTA_STEP,
-                MAX_BIGRAM_PROBABILITY_DELTA);
-    }
-}
-
-/* static */ int DecayingUtils::isValidUnigram(const int encodedUnigramProbability) {
-    return encodedUnigramProbability >= MIN_VALID_UNIGRAM_PROBABILITY;
-}
-
-/* static */ int DecayingUtils::isValidBigram(const int encodedBigramProbabilityDelta) {
-    return encodedBigramProbabilityDelta >= MIN_VALID_BIGRAM_PROBABILITY_DELTA;
-}
-
-/* static */ int DecayingUtils::decodeUnigramProbability(const int encodedProbability) {
-    const int probability = encodedProbability - MIN_VALID_UNIGRAM_PROBABILITY;
-    if (probability < 0) {
-        return NOT_A_PROBABILITY;
-    } else {
-        return min(probability, MAX_UNIGRAM_PROBABILITY);
-    }
-}
-
-/* static */ int DecayingUtils::decodeBigramProbabilityDelta(const int encodedProbabilityDelta) {
-    const int probabilityDelta = encodedProbabilityDelta - MIN_VALID_BIGRAM_PROBABILITY_DELTA;
-    if (probabilityDelta < 0) {
-        return NOT_A_PROBABILITY;
-    } else {
-        return min(probabilityDelta, MAX_BIGRAM_PROBABILITY_DELTA);
-    }
-}
-
-/* static */ int DecayingUtils::getDecayedProbability(const int rawProbability) {
-    return rawProbability;
-}
-
-} // namespace latinime
diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.h b/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.h
deleted file mode 100644
index 1ca0391..0000000
--- a/native/jni/src/suggest/policyimpl/dictionary/utils/decaying_utils.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2013, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef LATINIME_DECAYING_UTILS_H
-#define LATINIME_DECAYING_UTILS_H
-
-#include "defines.h"
-
-namespace latinime {
-
-// TODO: Check the elapsed time and decrease the probability depending on the time. Time field is
-// required to introduced to each terminal PtNode and bigram entry.
-// TODO: Quit using bigram probability to indicate the delta.
-// TODO: Quit using bigram probability delta.
-class DecayingUtils {
- public:
-    static const int MAX_UNIGRAM_COUNT;
-    static const int MAX_UNIGRAM_COUNT_AFTER_GC;
-    static const int MAX_BIGRAM_COUNT;
-    static const int MAX_BIGRAM_COUNT_AFTER_GC;
-
-    static int getProbability(const int encodedUnigramProbability,
-            const int encodedBigramProbabilityDelta);
-
-    static int getUpdatedUnigramProbability(const int originalEncodedProbability,
-            const int newProbability);
-
-    static int getUpdatedBigramProbabilityDelta(const int originalEncodedProbabilityDelta,
-            const int newProbability);
-
-    static int isValidUnigram(const int encodedUnigramProbability);
-
-    static int isValidBigram(const int encodedProbabilityDelta);
-
-    static int getUnigramProbabilityToSave(const int encodedProbability);
-
-    static int getBigramProbabilityDeltaToSave(const int encodedProbabilityDelta);
-
- private:
-    DISALLOW_IMPLICIT_CONSTRUCTORS(DecayingUtils);
-
-    static const int MAX_COMPUTED_PROBABILITY;
-    static const int MAX_UNIGRAM_PROBABILITY;
-    static const int MIN_VALID_UNIGRAM_PROBABILITY;
-    static const int UNIGRAM_PROBABILITY_STEP;
-    static const int MAX_BIGRAM_PROBABILITY_DELTA;
-    static const int MIN_VALID_BIGRAM_PROBABILITY_DELTA;
-    static const int BIGRAM_PROBABILITY_DELTA_STEP;
-
-    static int decodeUnigramProbability(const int encodedProbability);
-
-    static int decodeBigramProbabilityDelta(const int encodedProbability);
-
-    static int getDecayedProbability(const int rawProbability);
-};
-} // namespace latinime
-#endif /* LATINIME_DECAYING_UTILS_H */
diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
new file mode 100644
index 0000000..b502fe2
--- /dev/null
+++ b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2013, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cmath>
+#include <stdlib.h>
+
+#include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
+
+#include "suggest/policyimpl/dictionary/utils/probability_utils.h"
+
+namespace latinime {
+
+const int ForgettingCurveUtils::MAX_UNIGRAM_COUNT = 12000;
+const int ForgettingCurveUtils::MAX_UNIGRAM_COUNT_AFTER_GC = 10000;
+const int ForgettingCurveUtils::MAX_BIGRAM_COUNT = 12000;
+const int ForgettingCurveUtils::MAX_BIGRAM_COUNT_AFTER_GC = 10000;
+
+const int ForgettingCurveUtils::MAX_COMPUTED_PROBABILITY = 127;
+const int ForgettingCurveUtils::MAX_ENCODED_PROBABILITY = 15;
+const int ForgettingCurveUtils::MIN_VALID_ENCODED_PROBABILITY = 3;
+const int ForgettingCurveUtils::ENCODED_PROBABILITY_STEP = 1;
+// Currently, we try to decay each uni/bigram once every 2 hours. Accordingly, the expected
+// duration of the decay is approximately 66hours.
+const float ForgettingCurveUtils::MIN_PROBABILITY_TO_DECAY = 0.03f;
+
+const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityTable;
+
+/* static */ int ForgettingCurveUtils::getProbability(const int encodedUnigramProbability,
+        const int encodedBigramProbability) {
+    if (encodedUnigramProbability == NOT_A_PROBABILITY) {
+        return NOT_A_PROBABILITY;
+    } else if (encodedBigramProbability == NOT_A_PROBABILITY) {
+        return backoff(decodeProbability(encodedUnigramProbability));
+    } else {
+        const int unigramProbability = decodeProbability(encodedUnigramProbability);
+        const int bigramProbability = decodeProbability(encodedBigramProbability);
+        return min(max(unigramProbability, bigramProbability), MAX_COMPUTED_PROBABILITY);
+    }
+}
+
+// Caveat: Unlike getProbability(), this method doesn't assume special bigram probability encoding
+// (i.e. unigram probability + bigram probability delta).
+/* static */ int ForgettingCurveUtils::getUpdatedEncodedProbability(
+        const int originalEncodedProbability, const int newProbability) {
+    if (originalEncodedProbability == NOT_A_PROBABILITY) {
+        // The bigram relation is not in this dictionary.
+        if (newProbability == NOT_A_PROBABILITY) {
+            // The bigram target is not in other dictionaries.
+            return 0;
+        } else {
+            return MIN_VALID_ENCODED_PROBABILITY;
+        }
+    } else {
+        if (newProbability != NOT_A_PROBABILITY
+                && originalEncodedProbability < MIN_VALID_ENCODED_PROBABILITY) {
+            return MIN_VALID_ENCODED_PROBABILITY;
+        }
+        return min(originalEncodedProbability + ENCODED_PROBABILITY_STEP, MAX_ENCODED_PROBABILITY);
+    }
+}
+
+/* static */ int ForgettingCurveUtils::isValidEncodedProbability(const int encodedProbability) {
+    return encodedProbability >= MIN_VALID_ENCODED_PROBABILITY;
+}
+
+/* static */ int ForgettingCurveUtils::getEncodedProbabilityToSave(const int encodedProbability) {
+    const int currentEncodedProbability = max(min(encodedProbability, MAX_ENCODED_PROBABILITY), 0);
+    // TODO: Implement the decay in more proper way.
+    const float currentRate = static_cast<float>(currentEncodedProbability)
+            / static_cast<float>(MAX_ENCODED_PROBABILITY);
+    const float thresholdToDecay = MIN_PROBABILITY_TO_DECAY
+            + (1.0f - MIN_PROBABILITY_TO_DECAY) * (1.0f - currentRate);
+    const float randValue = static_cast<float>(rand()) / static_cast<float>(RAND_MAX);
+    if (thresholdToDecay < randValue) {
+        return max(currentEncodedProbability - ENCODED_PROBABILITY_STEP, 0);
+    } else {
+        return currentEncodedProbability;
+    }
+}
+
+/* static */ int ForgettingCurveUtils::decodeProbability(const int encodedProbability) {
+    if (encodedProbability < MIN_VALID_ENCODED_PROBABILITY) {
+        return NOT_A_PROBABILITY;
+    } else {
+        return min(sProbabilityTable.getProbability(encodedProbability), MAX_ENCODED_PROBABILITY);
+    }
+}
+
+// See comments in ProbabilityUtils::backoff().
+/* static */ int ForgettingCurveUtils::backoff(const int unigramProbability) {
+    if (unigramProbability == NOT_A_PROBABILITY) {
+        return NOT_A_PROBABILITY;
+    } else {
+        return max(unigramProbability - 8, 0);
+    }
+}
+
+ForgettingCurveUtils::ProbabilityTable::ProbabilityTable() : mTable() {
+    // Table entry is as follows:
+    // 1, 1, 1, 2, 3, 5, 6, 9, 13, 18, 25, 34, 48, 66, 91, 127.
+    // Note that first MIN_VALID_ENCODED_PROBABILITY values are not used.
+    mTable.resize(MAX_ENCODED_PROBABILITY + 1);
+    for (int i = 0; i <= MAX_ENCODED_PROBABILITY; ++i) {
+        const int probability = static_cast<int>(powf(static_cast<float>(MAX_COMPUTED_PROBABILITY),
+                static_cast<float>(i) / static_cast<float>(MAX_ENCODED_PROBABILITY)));
+         mTable[i] = min(MAX_COMPUTED_PROBABILITY, max(0, probability));
+    }
+}
+
+} // namespace latinime
diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h
new file mode 100644
index 0000000..d666f22
--- /dev/null
+++ b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2013, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_FORGETTING_CURVE_UTILS_H
+#define LATINIME_FORGETTING_CURVE_UTILS_H
+
+#include <vector>
+
+#include "defines.h"
+
+namespace latinime {
+
+// TODO: Check the elapsed time and decrease the probability depending on the time. Time field is
+// required to introduced to each terminal PtNode and bigram entry.
+// TODO: Quit using bigram probability to indicate the delta.
+class ForgettingCurveUtils {
+ public:
+    static const int MAX_UNIGRAM_COUNT;
+    static const int MAX_UNIGRAM_COUNT_AFTER_GC;
+    static const int MAX_BIGRAM_COUNT;
+    static const int MAX_BIGRAM_COUNT_AFTER_GC;
+
+    static int getProbability(const int encodedUnigramProbability,
+            const int encodedBigramProbability);
+
+    static int getUpdatedEncodedProbability(const int originalEncodedProbability,
+            const int newProbability);
+
+    static int isValidEncodedProbability(const int encodedProbability);
+
+    static int getEncodedProbabilityToSave(const int encodedProbability);
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(ForgettingCurveUtils);
+
+    class ProbabilityTable {
+     public:
+        ProbabilityTable();
+
+        int getProbability(const int encodedProbability) const {
+            if (encodedProbability < 0 || encodedProbability > static_cast<int>(mTable.size())) {
+                return NOT_A_PROBABILITY;
+            }
+            return mTable[encodedProbability];
+        }
+
+     private:
+        DISALLOW_COPY_AND_ASSIGN(ProbabilityTable);
+
+        std::vector<int> mTable;
+    };
+
+    static const int MAX_COMPUTED_PROBABILITY;
+    static const int MAX_ENCODED_PROBABILITY;
+    static const int MIN_VALID_ENCODED_PROBABILITY;
+    static const int ENCODED_PROBABILITY_STEP;
+    static const float MIN_PROBABILITY_TO_DECAY;
+
+    static const ProbabilityTable sProbabilityTable;
+
+    static int decodeProbability(const int encodedProbability);
+
+    static int backoff(const int unigramProbability);
+};
+} // namespace latinime
+#endif /* LATINIME_FORGETTING_CURVE_UTILS_H */
diff --git a/tests/src/com/android/inputmethod/latin/BinaryDictionaryDecayingTests.java b/tests/src/com/android/inputmethod/latin/BinaryDictionaryDecayingTests.java
index 8a439fc..b2d31c2 100644
--- a/tests/src/com/android/inputmethod/latin/BinaryDictionaryDecayingTests.java
+++ b/tests/src/com/android/inputmethod/latin/BinaryDictionaryDecayingTests.java
@@ -50,14 +50,18 @@
     }
 
     private void forcePassingShortTime(final BinaryDictionary binaryDictionary) {
-        binaryDictionary.getPropertyForTests(SET_NEEDS_TO_DECAY_FOR_TESTING_KEY);
-        binaryDictionary.flushWithGC();
+        // Entries having low probability would be suppressed once in 2 GCs.
+        final int count = 2;
+        for (int i = 0; i < count; i++) {
+            binaryDictionary.getPropertyForTests(SET_NEEDS_TO_DECAY_FOR_TESTING_KEY);
+            binaryDictionary.flushWithGC();
+        }
     }
 
     private void forcePassingLongTime(final BinaryDictionary binaryDictionary) {
         // Currently, probabilities are decayed when GC is run. All entries that have never been
-        // typed in 32 GCs are removed.
-        final int count = 32;
+        // typed in 128 GCs would be removed.
+        final int count = 128;
         for (int i = 0; i < count; i++) {
             binaryDictionary.getPropertyForTests(SET_NEEDS_TO_DECAY_FOR_TESTING_KEY);
             binaryDictionary.flushWithGC();
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
index be98a84..0cf4ef9 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
@@ -546,8 +546,7 @@
     }
 
     private long checkGetTerminalPosition(final DictDecoder dictDecoder, final String word,
-            int index, boolean contained) {
-        final int expectedFrequency = (UNIGRAM_FREQ + index) % 255;
+            final boolean contained) {
         long diff = -1;
         int position = -1;
         try {
@@ -605,7 +604,7 @@
         // Test a word that is contained within the dictionary.
         long sum = 0;
         for (int i = 0; i < sWords.size(); ++i) {
-            final long time = checkGetTerminalPosition(dictDecoder, sWords.get(i), i, true);
+            final long time = checkGetTerminalPosition(dictDecoder, sWords.get(i), true);
             sum += time == -1 ? 0 : time;
         }
         Log.d(TAG, "per search : " + (((double)sum) / sWords.size() / 1000000) + " : " + message
@@ -618,11 +617,11 @@
         for (int i = 0; i < 1000; ++i) {
             final String word = CodePointUtils.generateWord(random, codePointSet);
             if (sWords.indexOf(word) != -1) continue;
-            checkGetTerminalPosition(dictDecoder, word, i, false);
+            checkGetTerminalPosition(dictDecoder, word, false);
         }
     }
 
-    private void runGetTerminalPositionTests(final ArrayList<String> results, final int bufferType,
+    private void runGetTerminalPositionTests(final int bufferType,
             final FormatOptions formatOptions) {
         runGetTerminalPosition(sWords, sEmptyBigrams, bufferType, formatOptions, "unigram");
     }
@@ -630,17 +629,17 @@
     public void testGetTerminalPosition() {
         final ArrayList<String> results = CollectionUtils.newArrayList();
 
-        runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION2);
-        runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION3_WITHOUT_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION3_WITH_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION4_WITHOUT_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_ARRAY, VERSION4_WITH_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_ARRAY, VERSION2);
+        runGetTerminalPositionTests(USE_BYTE_ARRAY, VERSION3_WITHOUT_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_ARRAY, VERSION3_WITH_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_ARRAY, VERSION4_WITHOUT_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_ARRAY, VERSION4_WITH_DYNAMIC_UPDATE);
 
-        runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION2);
-        runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION3_WITHOUT_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION3_WITH_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION4_WITHOUT_DYNAMIC_UPDATE);
-        runGetTerminalPositionTests(results, USE_BYTE_BUFFER, VERSION4_WITH_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_BUFFER, VERSION2);
+        runGetTerminalPositionTests(USE_BYTE_BUFFER, VERSION3_WITHOUT_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_BUFFER, VERSION3_WITH_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_BUFFER, VERSION4_WITHOUT_DYNAMIC_UPDATE);
+        runGetTerminalPositionTests(USE_BYTE_BUFFER, VERSION4_WITH_DYNAMIC_UPDATE);
 
         for (final String result : results) {
             Log.d(TAG, result);
diff --git a/tests/src/com/android/inputmethod/latin/makedict/SparseTableTests.java b/tests/src/com/android/inputmethod/latin/makedict/SparseTableTests.java
index 132483d..aeb8552 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/SparseTableTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/SparseTableTests.java
@@ -21,10 +21,8 @@
 import android.util.Log;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Random;
@@ -36,9 +34,6 @@
 public class SparseTableTests extends AndroidTestCase {
     private static final String TAG = SparseTableTests.class.getSimpleName();
 
-    private static final int[] SMALL_INDEX = { SparseTable.NOT_EXIST, 0 };
-    private static final int[] BIG_INDEX = { SparseTable.NOT_EXIST, 1, 2, 3, 4, 5, 6, 7};
-
     private final Random mRandom;
     private final ArrayList<Integer> mRandomIndex;
 
@@ -59,32 +54,21 @@
         }
     }
 
-    public void testInitializeWithArray() {
-        final SparseTable table = new SparseTable(SMALL_INDEX, BIG_INDEX, BLOCK_SIZE);
-        for (int i = 0; i < 8; ++i) {
-            assertEquals(SparseTable.NOT_EXIST, table.get(i));
-        }
-        assertEquals(SparseTable.NOT_EXIST, table.get(8));
-        for (int i = 9; i < 16; ++i) {
-            assertEquals(i - 8, table.get(i));
-        }
-    }
-
     public void testSet() {
-        final SparseTable table = new SparseTable(16, BLOCK_SIZE);
-        table.set(3, 6);
-        table.set(8, 16);
+        final SparseTable table = new SparseTable(16, BLOCK_SIZE, 1);
+        table.set(0, 3, 6);
+        table.set(0, 8, 16);
         for (int i = 0; i < 16; ++i) {
             if (i == 3 || i == 8) {
-                assertEquals(i * 2, table.get(i));
+                assertEquals(i * 2, table.get(0, i));
             } else {
-                assertEquals(SparseTable.NOT_EXIST, table.get(i));
+                assertEquals(SparseTable.NOT_EXIST, table.get(0, i));
             }
         }
     }
 
     private void generateRandomIndex(final int size, final int prop) {
-        for (int i = 0; i < DEFAULT_SIZE; ++i) {
+        for (int i = 0; i < size; ++i) {
             if (mRandom.nextInt(100) < prop) {
                 mRandomIndex.set(i, mRandom.nextInt());
             } else {
@@ -94,11 +78,11 @@
     }
 
     private void runTestRandomSet() {
-        final SparseTable table = new SparseTable(DEFAULT_SIZE, BLOCK_SIZE);
+        final SparseTable table = new SparseTable(DEFAULT_SIZE, BLOCK_SIZE, 1);
         int elementCount = 0;
         for (int i = 0; i < DEFAULT_SIZE; ++i) {
             if (mRandomIndex.get(i) != SparseTable.NOT_EXIST) {
-                table.set(i, mRandomIndex.get(i));
+                table.set(0, i, mRandomIndex.get(i));
                 elementCount++;
             }
         }
@@ -107,29 +91,24 @@
               + table.getContentTableSize());
         Log.d(TAG, "the table has " + elementCount + " elements");
         for (int i = 0; i < DEFAULT_SIZE; ++i) {
-            assertEquals(table.get(i), (int)mRandomIndex.get(i));
+            assertEquals(table.get(0, i), (int)mRandomIndex.get(i));
         }
 
         // flush and reload
         OutputStream lookupOutStream = null;
         OutputStream contentOutStream = null;
-        InputStream lookupInStream = null;
-        InputStream contentInStream = null;
         try {
             final File lookupIndexFile = File.createTempFile("testRandomSet", ".small");
             final File contentFile = File.createTempFile("testRandomSet", ".big");
             lookupOutStream = new FileOutputStream(lookupIndexFile);
             contentOutStream = new FileOutputStream(contentFile);
-            table.write(lookupOutStream, contentOutStream);
-            lookupInStream = new FileInputStream(lookupIndexFile);
-            contentInStream = new FileInputStream(contentFile);
-            final byte[] lookupArray = new byte[(int) lookupIndexFile.length()];
-            final byte[] contentArray = new byte[(int) contentFile.length()];
-            lookupInStream.read(lookupArray);
-            contentInStream.read(contentArray);
-            final SparseTable newTable = new SparseTable(lookupArray, contentArray, BLOCK_SIZE);
+            table.write(lookupOutStream, new OutputStream[] { contentOutStream });
+            lookupOutStream.flush();
+            contentOutStream.flush();
+            final SparseTable newTable = SparseTable.readFromFiles(lookupIndexFile,
+                    new File[] { contentFile }, BLOCK_SIZE);
             for (int i = 0; i < DEFAULT_SIZE; ++i) {
-                assertEquals(table.get(i), newTable.get(i));
+                assertEquals(table.get(0, i), newTable.get(0, i));
             }
         } catch (IOException e) {
             Log.d(TAG, "IOException while flushing and realoding", e);
@@ -157,4 +136,60 @@
             runTestRandomSet();
         }
     }
+
+    public void testMultipleContents() {
+        final int numOfContents = 5;
+        generateRandomIndex(DEFAULT_SIZE, 20);
+        final SparseTable table = new SparseTable(DEFAULT_SIZE, BLOCK_SIZE, numOfContents);
+        for (int i = 0; i < mRandomIndex.size(); ++i) {
+            if (mRandomIndex.get(i) != SparseTable.NOT_EXIST) {
+                for (int j = 0; j < numOfContents; ++j) {
+                    table.set(j, i, mRandomIndex.get(i));
+                }
+            }
+        }
+
+        OutputStream lookupOutStream = null;
+        OutputStream[] contentsOutStream = new OutputStream[numOfContents];
+        try {
+            final File lookupIndexFile = File.createTempFile("testMultipleContents", "small");
+            lookupOutStream = new FileOutputStream(lookupIndexFile);
+            final File[] contentFiles = new File[numOfContents];
+            for (int i = 0; i < numOfContents; ++i) {
+                contentFiles[i] = File.createTempFile("testMultipleContents", "big" + i);
+                contentsOutStream[i] = new FileOutputStream(contentFiles[i]);
+            }
+            table.write(lookupOutStream, contentsOutStream);
+            lookupOutStream.flush();
+            for (int i = 0; i < numOfContents; ++i) {
+                contentsOutStream[i].flush();
+            }
+            final SparseTable newTable = SparseTable.readFromFiles(lookupIndexFile, contentFiles,
+                    BLOCK_SIZE);
+            for (int i = 0; i < numOfContents; ++i) {
+                for (int j = 0; j < DEFAULT_SIZE; ++j) {
+                    assertEquals(table.get(i, j), newTable.get(i, j));
+                }
+            }
+        } catch (IOException e) {
+            Log.d(TAG, "IOException while flushing and reloading", e);
+        } finally {
+            if (lookupOutStream != null) {
+                try {
+                    lookupOutStream.close();
+                } catch (IOException e) {
+                    Log.d(TAG, "IOException while closing the stream", e);
+                }
+            }
+            for (int i = 0; i < numOfContents; ++i) {
+                if (contentsOutStream[i] != null) {
+                    try {
+                        contentsOutStream[i].close();
+                    } catch (IOException e) {
+                        Log.d(TAG, "IOException while closing the stream.", e);
+                    }
+                }
+            }
+        }
+    }
 }