Supported from Andriod 4.2
It come with following features:
- Google Admob
- Various type of user authentication
- Real-time messaging
- User profiles view
- User Online Status
- Update profile
- Share App
- About us Page
- Developer Friendly code with comments
Demo: https://codecanyon.net/item/awesome-chat-android-firebase-realtime-mobile-application/19685557