diff --git a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionTag.aidl b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionTag.aidl
index 80848a4..862fbc5 100644
--- a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionTag.aidl
+++ b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionTag.aidl
@@ -38,4 +38,5 @@
   SURFACEFLINGER,
   HWUI,
   GAME,
+  APP,
 }
diff --git a/power/aidl/android/hardware/power/SessionTag.aidl b/power/aidl/android/hardware/power/SessionTag.aidl
index c1d48e4..27bf3e3 100644
--- a/power/aidl/android/hardware/power/SessionTag.aidl
+++ b/power/aidl/android/hardware/power/SessionTag.aidl
@@ -30,12 +30,20 @@
     SURFACEFLINGER,
 
     /**
-     * This tag is used to mark HWUI hint sessions.
+     * This tag is used to mark hint sessions created by HWUI.
      */
     HWUI,
 
     /**
-     * This tag is used to mark Game hint sessions.
+     * This tag is used to mark hint sessions created by applications that are
+     * categorized as games.
      */
     GAME,
+
+    /**
+     * This tag is used to mark the hint session is created by the application.
+     * If an applications is categorized as game, then GAME should be used
+     * instead.
+     */
+    APP,
 }