Move racquet and play at tennis. Collect coins and open new balls. It’s an endless type of game.

More about the project: Project have share function, you can put short link to share a message to increase users in game. To increase audience retention we use local notifications after 2,6 and 22 hours. The game has skins, user can buy them for coins. You can easily add more skins (It’s described in the documentation). For monetization project has AdMob framework, you can easily place your ad id’s. Game based on Unity2D engine, and scripts on C#. All code in game are commented. Project have good program architecture.