A free program for Android, by X-Land.

What is Bangbang Rabbit?

It is an online role-play battle game. You are a cute rabbit who has to defend his home from monster invaders. This is a real-time action RPG where you can participate in the combat alongside other players online. Do note that you might not be able to play this offline.

This is very easy to play. All you need to do is to tap the screen to attack monsters and fight with other players. You can attack monsters and earn rewards. You can also get gems and some precious gold when you make the correct choices during random events.