Twlight is a Twitter clone social networking app for android platform , It mainly depends on the firebase database and service and other Google services such as Google Admod to make profits for you! You can share and retweet posts & comments. It also has a Tages and Mention system, as well as a like and comment system, and users can follow each other. And, of course, the private chat system, where users can communicate, as well as the live broadcast feature. And all of this is under the control of the admin.
Demo: https://codecanyon.net/item/twlight-social-network-app-twitter-clone-android-studio-firebase/37623611