A free program for Android, by STYLE NOTE.

Crisis Bullet is a game that allows you to play as a survivalist in a post-apocalyptic world. Your goal is to survive in the most hostile environment. 

The most interesting thing about this game is that you can enjoy the FPS experience on your smartphone with the help of an easy-to-use interface, auto-aim, and aim assist. You can also set the game to a higher difficulty level and play as a survivalist in the most hostile environment.

You will have a variety of weapons at your disposal, including rifles, machine guns, shotguns, and even grenade launchers. 

Crisis Bullet supports offline play and can be enjoyed by anyone, anytime, anywhere.