Use camera as a weapon and gps to localize target.
Find UFO and kill it using cow,chicken, gun or nuke.
1. Rotate your device to calibrate compass first!
2. SELECT YOUR WEAPON.
3. TOUCH THE SCREEN TO SHOOT.
4. Use frying-pan as shield.
Beware of UFO plasma ball :)
You can also take a picture of UFO as a prank.
Magnetic field detector,
, GPS - must be enabled before start!
Camera - this is a sight.