diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 5434106..003b011 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -481,13 +481,24 @@
     <declare-styleable name="KeyboardLayoutSet_Feature">
         <!-- This should be aligned with ScriptUtils.SCRIPT_* -->
         <attr name="supportedScript" format="enum">
-            <enum name="latin" value="0" />
-            <enum name="cyrillic" value="1" />
-            <enum name="greek" value="2" />
-            <enum name="arabic" value="3" />
-            <enum name="hebrew" value="4" />
-            <enum name="armenian" value="5" />
-            <enum name="georgian" value="6" />
+            <enum name="arabic" value="0" />
+            <enum name="armenian" value="1" />
+            <enum name="bengali" value="2" />
+            <enum name="cyrillic" value="3" />
+            <enum name="devanagari" value="4" />
+            <enum name="georgian" value="5" />
+            <enum name="greek" value="6" />
+            <enum name="hebrew" value="7" />
+            <enum name="kannada" value="8" />
+            <enum name="khmer" value="9" />
+            <enum name="lao" value="10" />
+            <enum name="latin" value="11" />
+            <enum name="malayalam" value="12" />
+            <enum name="myanmar" value="13" />
+            <enum name="sinhala" value="14" />
+            <enum name="tamil" value="15" />
+            <enum name="telugu" value="16" />
+            <enum name="thai" value="17" />
         </attr>
     </declare-styleable>
 
diff --git a/java/res/xml/keyboard_layout_set_bengali.xml b/java/res/xml/keyboard_layout_set_bengali.xml
index 6e40e6d..de48a0c 100644
--- a/java/res/xml/keyboard_layout_set_bengali.xml
+++ b/java/res/xml/keyboard_layout_set_bengali.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="bengali" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_bengali"
diff --git a/java/res/xml/keyboard_layout_set_hindi.xml b/java/res/xml/keyboard_layout_set_hindi.xml
index e850c7e..ee41b2a 100644
--- a/java/res/xml/keyboard_layout_set_hindi.xml
+++ b/java/res/xml/keyboard_layout_set_hindi.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="devanagari" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_hindi"
diff --git a/java/res/xml/keyboard_layout_set_hindi_compact.xml b/java/res/xml/keyboard_layout_set_hindi_compact.xml
index 77d02fb..147b299 100644
--- a/java/res/xml/keyboard_layout_set_hindi_compact.xml
+++ b/java/res/xml/keyboard_layout_set_hindi_compact.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="devanagari" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_hindi_compact"
diff --git a/java/res/xml/keyboard_layout_set_kannada.xml b/java/res/xml/keyboard_layout_set_kannada.xml
index 8dcf996..14323e7 100644
--- a/java/res/xml/keyboard_layout_set_kannada.xml
+++ b/java/res/xml/keyboard_layout_set_kannada.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="kannada" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_kannada"
diff --git a/java/res/xml/keyboard_layout_set_khmer.xml b/java/res/xml/keyboard_layout_set_khmer.xml
index 181f98b..752c852 100644
--- a/java/res/xml/keyboard_layout_set_khmer.xml
+++ b/java/res/xml/keyboard_layout_set_khmer.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="khmer" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_khmer"
diff --git a/java/res/xml/keyboard_layout_set_lao.xml b/java/res/xml/keyboard_layout_set_lao.xml
index 2ffde45..6285f87 100644
--- a/java/res/xml/keyboard_layout_set_lao.xml
+++ b/java/res/xml/keyboard_layout_set_lao.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="lao" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_lao"
diff --git a/java/res/xml/keyboard_layout_set_malayalam.xml b/java/res/xml/keyboard_layout_set_malayalam.xml
index 14c76ba..f6086f6 100644
--- a/java/res/xml/keyboard_layout_set_malayalam.xml
+++ b/java/res/xml/keyboard_layout_set_malayalam.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="malayalam" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_malayalam"
diff --git a/java/res/xml/keyboard_layout_set_marathi.xml b/java/res/xml/keyboard_layout_set_marathi.xml
index e5c68e7..6aea175 100644
--- a/java/res/xml/keyboard_layout_set_marathi.xml
+++ b/java/res/xml/keyboard_layout_set_marathi.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="devanagari" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_marathi"
diff --git a/java/res/xml/keyboard_layout_set_myanmar.xml b/java/res/xml/keyboard_layout_set_myanmar.xml
index 5c823b2..5af8c06 100644
--- a/java/res/xml/keyboard_layout_set_myanmar.xml
+++ b/java/res/xml/keyboard_layout_set_myanmar.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="myanmar" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_myanmar"
diff --git a/java/res/xml/keyboard_layout_set_nepali_romanized.xml b/java/res/xml/keyboard_layout_set_nepali_romanized.xml
index fbbc6a5..5bad835 100644
--- a/java/res/xml/keyboard_layout_set_nepali_romanized.xml
+++ b/java/res/xml/keyboard_layout_set_nepali_romanized.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="devanagari" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_nepali_romanized"
diff --git a/java/res/xml/keyboard_layout_set_nepali_traditional.xml b/java/res/xml/keyboard_layout_set_nepali_traditional.xml
index 4a3b601..6f11dee 100644
--- a/java/res/xml/keyboard_layout_set_nepali_traditional.xml
+++ b/java/res/xml/keyboard_layout_set_nepali_traditional.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="devanagari" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_nepali_traditional"
diff --git a/java/res/xml/keyboard_layout_set_sinhala.xml b/java/res/xml/keyboard_layout_set_sinhala.xml
index 8e6e619..1955d21 100644
--- a/java/res/xml/keyboard_layout_set_sinhala.xml
+++ b/java/res/xml/keyboard_layout_set_sinhala.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="sinhala" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_sinhala"
diff --git a/java/res/xml/keyboard_layout_set_tamil.xml b/java/res/xml/keyboard_layout_set_tamil.xml
index 5c04915..27f4a32 100644
--- a/java/res/xml/keyboard_layout_set_tamil.xml
+++ b/java/res/xml/keyboard_layout_set_tamil.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="tamil" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_tamil"
diff --git a/java/res/xml/keyboard_layout_set_telugu.xml b/java/res/xml/keyboard_layout_set_telugu.xml
index aca47b9..2bf65bc 100644
--- a/java/res/xml/keyboard_layout_set_telugu.xml
+++ b/java/res/xml/keyboard_layout_set_telugu.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="telugu" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_telugu"
diff --git a/java/res/xml/keyboard_layout_set_thai.xml b/java/res/xml/keyboard_layout_set_thai.xml
index b8f9997..f69dfa6 100644
--- a/java/res/xml/keyboard_layout_set_thai.xml
+++ b/java/res/xml/keyboard_layout_set_thai.xml
@@ -20,6 +20,8 @@
 
 <KeyboardLayoutSet
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin">
+    <Feature
+        latin:supportedScript="thai" />
     <Element
         latin:elementName="alphabet"
         latin:elementKeyboard="@xml/kbd_thai"
diff --git a/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java b/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java
index a76a6df..0e24466 100644
--- a/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java
@@ -26,13 +26,24 @@
     // Used for hardware keyboards
     public static final int SCRIPT_UNKNOWN = -1;
     // TODO: should we use ISO 15924 identifiers instead?
-    public static final int SCRIPT_LATIN = 0;
-    public static final int SCRIPT_CYRILLIC = 1;
-    public static final int SCRIPT_GREEK = 2;
-    public static final int SCRIPT_ARABIC = 3;
-    public static final int SCRIPT_HEBREW = 4;
-    public static final int SCRIPT_ARMENIAN = 5;
-    public static final int SCRIPT_GEORGIAN = 6;
+    public static final int SCRIPT_ARABIC = 0;
+    public static final int SCRIPT_ARMENIAN = 1;
+    public static final int SCRIPT_BENGALI = 2;
+    public static final int SCRIPT_CYRILLIC = 3;
+    public static final int SCRIPT_DEVANAGARI = 4;
+    public static final int SCRIPT_GEORGIAN = 5;
+    public static final int SCRIPT_GREEK = 6;
+    public static final int SCRIPT_HEBREW = 7;
+    public static final int SCRIPT_KANNADA = 8;
+    public static final int SCRIPT_KHMER = 9;
+    public static final int SCRIPT_LAO = 10;
+    public static final int SCRIPT_LATIN = 11;
+    public static final int SCRIPT_MALAYALAM = 12;
+    public static final int SCRIPT_MYANMAR = 13;
+    public static final int SCRIPT_SINHALA = 14;
+    public static final int SCRIPT_TAMIL = 15;
+    public static final int SCRIPT_TELUGU = 16;
+    public static final int SCRIPT_THAI = 17;
     public static final TreeMap<String, Integer> mSpellCheckerLanguageToScript;
     static {
         // List of the supported languages and their associated script. We won't check
@@ -72,18 +83,40 @@
      */
     public static boolean isLetterPartOfScript(final int codePoint, final int scriptId) {
         switch (scriptId) {
-        case SCRIPT_LATIN:
-            // Our supported latin script dictionaries (EFIGS) at the moment only include
-            // characters in the C0, C1, Latin Extended A and B, IPA extensions unicode
-            // blocks. As it happens, those are back-to-back in the code range 0x40 to 0x2AF,
-            // so the below is a very efficient way to test for it. As for the 0-0x3F, it's
-            // excluded from isLetter anyway.
-            return codePoint <= 0x2AF && Character.isLetter(codePoint);
+        case SCRIPT_ARABIC:
+            // Arabic letters can be in any of the following blocks:
+            // Arabic U+0600..U+06FF
+            // Arabic Supplement, Thaana U+0750..U+077F, U+0780..U+07BF
+            // Arabic Extended-A U+08A0..U+08FF
+            // Arabic Presentation Forms-A U+FB50..U+FDFF
+            // Arabic Presentation Forms-B U+FE70..U+FEFF
+            return (codePoint >= 0x600 && codePoint <= 0x6FF)
+                    || (codePoint >= 0x750 && codePoint <= 0x7BF)
+                    || (codePoint >= 0x8A0 && codePoint <= 0x8FF)
+                    || (codePoint >= 0xFB50 && codePoint <= 0xFDFF)
+                    || (codePoint >= 0xFE70 && codePoint <= 0xFEFF);
+        case SCRIPT_ARMENIAN:
+            // Armenian letters are in the Armenian unicode block, U+0530..U+058F and
+            // Alphabetic Presentation Forms block, U+FB00..U+FB4F, but only in the Armenian part
+            // of that block, which is U+FB13..U+FB17.
+            return (codePoint >= 0x530 && codePoint <= 0x58F
+                    || codePoint >= 0xFB13 && codePoint <= 0xFB17);
+        case SCRIPT_BENGALI:
+            // Bengali unicode block is U+0980..U+09FF
+            return (codePoint >= 0x980 && codePoint <= 0x9FF);
         case SCRIPT_CYRILLIC:
             // All Cyrillic characters are in the 400~52F block. There are some in the upper
             // Unicode range, but they are archaic characters that are not used in modern
             // Russian and are not used by our dictionary.
             return codePoint >= 0x400 && codePoint <= 0x52F && Character.isLetter(codePoint);
+        case SCRIPT_DEVANAGARI:
+            // Devanagari unicode block is +0900..U+097F
+            return (codePoint >= 0x900 && codePoint <= 0x97F);
+        case SCRIPT_GEORGIAN:
+            // Georgian letters are in the Georgian unicode block, U+10A0..U+10FF,
+            // or Georgian supplement block, U+2D00..U+2D2F
+            return (codePoint >= 0x10A0 && codePoint <= 0x10FF
+                    || codePoint >= 0x2D00 && codePoint <= 0x2D2F);
         case SCRIPT_GREEK:
             // Greek letters are either in the 370~3FF range (Greek & Coptic), or in the
             // 1F00~1FFF range (Greek extended). Our dictionary contains both sort of characters.
@@ -93,35 +126,53 @@
             return (codePoint >= 0x370 && codePoint <= 0x3FF)
                     || (codePoint >= 0x1F00 && codePoint <= 0x1FFF)
                     || codePoint == 0xF2;
-        case SCRIPT_ARABIC:
-            // Arabic letters can be in any of the following blocks:
-            // Arabic U+0600..U+06FF
-            // Arabic Supplement U+0750..U+077F
-            // Arabic Extended-A U+08A0..U+08FF
-            // Arabic Presentation Forms-A U+FB50..U+FDFF
-            // Arabic Presentation Forms-B U+FE70..U+FEFF
-            return (codePoint >= 0x600 && codePoint <= 0x6FF)
-                    || (codePoint >= 0x750 && codePoint <= 0x77F)
-                    || (codePoint >= 0x8A0 && codePoint <= 0x8FF)
-                    || (codePoint >= 0xFB50 && codePoint <= 0xFDFF)
-                    || (codePoint >= 0xFE70 && codePoint <= 0xFEFF);
         case SCRIPT_HEBREW:
             // Hebrew letters are in the Hebrew unicode block, which spans from U+0590 to U+05FF,
             // or in the Alphabetic Presentation Forms block, U+FB00..U+FB4F, but only in the
             // Hebrew part of that block, which is U+FB1D..U+FB4F.
             return (codePoint >= 0x590 && codePoint <= 0x5FF
                     || codePoint >= 0xFB1D && codePoint <= 0xFB4F);
-        case SCRIPT_ARMENIAN:
-            // Armenian letters are in the Armenian unicode block, U+0530..U+058F and
-            // Alphabetic Presentation Forms block, U+FB00..U+FB4F, but only in the Armenian part
-            // of that block, which is U+FB13..U+FB17.
-            return (codePoint >= 0x530 && codePoint <= 0x58F
-                    || codePoint >= 0xFB13 && codePoint <= 0xFB17);
-        case SCRIPT_GEORGIAN:
-            // Georgian letters are in the Georgian unicode block, U+10A0..U+10FF,
-            // or Georgian supplement block, U+2D00..U+2D2F
-            return (codePoint >= 0x10A0 && codePoint <= 0x10FF
-                    || codePoint >= 0x2D00 && codePoint <= 0x2D2F);
+        case SCRIPT_KANNADA:
+            // Kannada unicode block is U+0C80..U+0CFF
+            return (codePoint >= 0xC80 && codePoint <= 0xCFF);
+        case SCRIPT_KHMER:
+            // Khmer letters are in unicode block U+1780..U+17FF, and the Khmer symbols block
+            // is U+19E0..U+19FF
+            return (codePoint >= 0x1780 && codePoint <= 0x17FF
+                    || codePoint >= 0x19E0 && codePoint <= 0x19FF);
+        case SCRIPT_LAO:
+            // The Lao block is U+0E80..U+0EFF
+            return (codePoint >= 0xE80 && codePoint <= 0xEFF);
+        case SCRIPT_LATIN:
+            // Our supported latin script dictionaries (EFIGS) at the moment only include
+            // characters in the C0, C1, Latin Extended A and B, IPA extensions unicode
+            // blocks. As it happens, those are back-to-back in the code range 0x40 to 0x2AF,
+            // so the below is a very efficient way to test for it. As for the 0-0x3F, it's
+            // excluded from isLetter anyway.
+            return codePoint <= 0x2AF && Character.isLetter(codePoint);
+        case SCRIPT_MALAYALAM:
+            // Malayalam unicode block is U+0D00..U+0D7F
+            return (codePoint >= 0xD00 && codePoint <= 0xD7F);
+        case SCRIPT_MYANMAR:
+            // Myanmar has three unicode blocks :
+            // Myanmar U+1000..U+109F
+            // Myanmar extended-A U+AA60..U+AA7F
+            // Myanmar extended-B U+A9E0..U+A9FF
+            return (codePoint >= 0x1000 && codePoint <= 0x109F
+                    || codePoint >= 0xAA60 && codePoint <= 0xAA7F
+                    || codePoint >= 0xA9E0 && codePoint <= 0xA9FF);
+        case SCRIPT_SINHALA:
+            // Sinhala unicode block is U+0D80..U+0DFF
+            return (codePoint >= 0xD80 && codePoint <= 0xDFF);
+        case SCRIPT_TAMIL:
+            // Tamil unicode block is U+0B80..U+0BFF
+            return (codePoint >= 0xB80 && codePoint <= 0xBFF);
+        case SCRIPT_TELUGU:
+            // Telugu unicode block is U+0C00..U+0C7F
+            return (codePoint >= 0xC00 && codePoint <= 0xC7F);
+        case SCRIPT_THAI:
+            // Thai unicode block is U+0E00..U+0E7F
+            return (codePoint >= 0xE00 && codePoint <= 0xE7F);
         case SCRIPT_UNKNOWN:
             return true;
         default: