--- a/mobile/android/docs/mma.rst
+++ b/mobile/android/docs/mma.rst
@@ -55,18 +55,21 @@ following parameters::
   "event" -> "Launch"                   // Used when an event is triggered. e.g. E_Saved_Bookmark.
   "info" -> ""                          // Used when an event is triggered. Basic context associated with the event.
   "value" -> 0.0                        // Used when an event is triggered. Value of that event.
   "messageId" -> 5111602214338560       // Used when an event is triggered. The ID of the message.
 
   // Sent when the app starts
   "action" -> "start"                   // start: Leanplum SDK starts. heartbeat
   "userAttributes" -> "{                // A set of key-value pairs used to describe the user.
-    "focus" -> true                     // If Focus for Android is installed.
-  }"
+    "Focus Installed" -> true           // If Focus for Android is installed.
+    "Klar Installed" -> true            // If Klar for Android is installed.
+    "Signed In Sync" -> true            // If the user has signed in to Mozilla account.
+    "Default Browser" -> true           // If the user has set Fennec as default browser.
+  }
   "appId" -> "app_6Ao...."              // Leanplum App ID.
   "clientKey" -> "dev_srwDUNZR...."     // Leanplum client access key.
   "systemName" -> "Android OS"          // Fixed String in SDK.
   "locale" -> "zh_TW"                   // System Locale.
   "timezone" -> "Asia/Taipei"           // System Timezone.
   "versionName" -> "55.0a1"             // Fennec version.
   "systemVersion" -> "7.1.2"            // System version.
   "deviceModel" -> "Google Pixel"       // System device model.