A free app for Android, by Sonat Studio.

Space Force: Alien Shooter War is a futuristic arcade shooter game, which is inspired by a war that is about to be released in the universe. The main goal of the game is to protect the Earth from the alien invasion. As a member of the Space Force, you will fight against the alien invaders and help the Earth to regain peace. The game is very easy to play, just tap the screen to control the spaceship and shoot at the aliens. You will be able to unlock more spaceships, as you progress through the levels. The spaceship you choose will be your main weapon. As you progress through the levels, you will get more spaceships and more weapons. You will also be able to use items and power-ups.