A straightforward one-button space game - Galaxy Defense.
The primary shield surrounds the spacecraft and rotates around it continuously to provide protection. The rotating shield's intention to damage the spaceship in the process.
The primary shield can be moved by touching the screen. Touch and hold the screen to accelerate the shield if the meteor is approaching at a very high pace. Throughout the entire game, you will have extra shields. As meteors strike them, you will lose your backup shields and your primary shields will become ineffective. You will receive additional shields after passing each new level, so don't worry.
Have fun and good luck!