WhatsApp Group Link Collections is an android app where users can add their whats app groups to promote it on the app to get group members. Users can add unlimited groups or delete and manage their groups in dashboard. Also categories supported and we integrated admob banner, native, interstitial ads to maximize your app revenue. and this app using firebase database to save user information and user avatars , group links ect. you dont need any additional knowledge to build this app. we provide full documentation for setting up Firebase and other things as well. And we are used android studio latest version as IDE to build this app.