DEAD TARGET: Zombie is an online mobile game, first person shooter game FPS, where huge wave of zombie come to you as tsunami, and you need to choose your way to destroy all the zombies, is free to play on Android devices, from VNG GAME STUDIOS.
Download the game at:
https://play.google.com/store/apps/details?id=com.vng.g6.a.zombie&hl=en