Game instructions:
- Steer the ship by moving the diamond (uses tilt sensor).
- Fire missiles by rotating the "scroll wheel" (aka navsensor) anti clockwise.
- Fire bombs by rotating the scroll whell clockwise until the polygon around the ship is closed.
- Collect weapon upgrades to get better weapons.
- Collect shild upgrades to repair your ship.
- Receive new bombs every 500 points.
- Receive extra lives every 25 shield upgrades.
- Receive a helper ship every 10 weapon upgrades.
- The helper ship fires and collects by itself...
- If you fire a bomb you won't get points or upgrades for the aliens which are killed by the bomb. you also get -100 points. so use it only if you need to...
- If you fire a missile you get -1 points. so don't fire them blindly.

More screenshots here.

Update Description:
v0.8 (02-01-2009):
- Added support to fire with softkeys.
- Better support for all resolutions.

v0.7:
- Added support for Samsung Omnias (and probably other) tilt sensor.
- Added support for AppToDate.

v0.6:
- Optimised D-Pad control.
- Better anti-cheating support.
- Online Highscore List.

v0.5:
- Added option: Fire with D-Pad or with Nav-wheel.
- Fixed some minor bugs with loading of games.

v0.4:
- Saving and loading of game states!
- Some minor bug fixes.

v0.3:
- Biiiiiig Update.
- Finished all levels (70 levels in 10 galaxies!!).
- Added more enemies (still need 1 or 2).
- Added use of scroll wheel (aka NavSensor).
- Added bombs which destroy all visible aliens (except final opponents of each galaxy).
- Added extra life every 25 Shields upgrades.
- Added helper ship every 10 Weapon upgrades (helper ship shoots at enemies, screenshots will follow).
- Added highscore list (online highscore is already implemented but not working yet).
- Added sounds (not all yet finished).
- Added 4 different difficulty levels.
- Reduced lagging (if it still lags, try disabling sound - if it's still lagging then, try soft resetting the diamond or deactivate background software).

v0.2:
- Score is displayed.
- Weapon and shield upgrades.
- Aliens can shoot.
- Ship has more than just one life.
- Show ship damage.
- Calibration of tilt sensor.

v0.1:
- First release.