Players must first install the game on their Android device after downloading it from the Google Play Store in order to play Rummy Zoo APK. After the game is installed, users have tfree fun slots gameshe option to start playing as a guest or create an account. Objectives and Game Variations. Gamers can select their favorite game mode from a variety of rummy variations available in the game, such as deals, pool, and points rummy. The goal of the game in Rummy Zoo APK is to put together appropriate card sequences and sets & declare them before your opponents.