the game is made in unity3d [2017.3.1].
you have to do the following;
1. put the dialog box on all the gameplays of except TARGETS, "This feature is under development and will be available soon".
2. Add the Vungle Ads, IronSource Ads & Unity Ads.
3. The code for notifications are already written, you just have to make them functional.
4. the facebook share, login and invite function has to work properly in the game via adding it's sdk, ok.