Forget all you knew about conventional video games. Put away with your joystick - in this game it is you, in blood and flesh, to become its hero. You interact by moving and playing in your neighborhood. Launch this game and your city becomes your playground, virtual objects and strange monsters appear just round the corner of your street... Ready for new sensations? 

In this location based game, alien spaceships invade your city. Up to you to stop them by moving around in the streets and avoid their deadly bombs. Use the different weapons to accomplish all six missions. 

> Simple and intuitive. You play wherever and whenever you feel like.
> Improve your urban skills, challenge your friends and try to enter the Top5 of your city.
> Have fun for 15 minutes. Go outdoors and run in your neighborhood to escape the enemy bombs.
> The invaders resist your attacks? Call a friend and get some help.

Source: http://itunes.apple.com/us/app/gps-invaders/id452264176?mt=8