Google TalkBack Apk is most useful tool, App for android devices,tablets and other smart-phones and this awesome APK is support by Android 2.2and up and it is developed by google inc.Google TalkBack APK is an accessibility service that helps blind and vision-impaired users interact with their devices.and this amazing tool assist you to adds spoken, audible, and vibration feedback to your device. Now Google Talkback comes pre-installed on most Android devices.and this famous APK has more amazing and use-able features which are as below.