Asteroids 3D

An alien race from andromeda wants to purge theraces from the milky way.
Only a human ship has the technology to stop them, but it is weakly armored.
Your missions is to prevent their extintion.
If one specie is purge, all hope is lost.
Each protected planet, will enrage more to the invaders.
If you protect all other species, they will come from the only ones who can stop them, they will send all their forces against humanity.
Options: Ship is controlled with a joystick or moving the phone, here you can turn on vibration and sound.
Stats: best score; times you beat the enemy invaders.