Check out Dubblen!
Dubblen is a unique use of your camera. This iPhone app is a split camera that allows you to do a double photo!!! Shake your own hand, run from yourself, play basketball against yourself, and millions of other possibilities. So grab a friend and start having some photo fun.
Link: Dubblen for iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation), iPod touch (4th generation) and iPad on the iTunes App Store
Dubblen is a unique use of your camera. This iPhone app is a split camera that allows you to do a double photo!!! Shake your own hand, run from yourself, play basketball against yourself, and millions of other possibilities. So grab a friend and start having some photo fun.
Link: Dubblen for iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation), iPod touch (4th generation) and iPad on the iTunes App Store