Portable DLP projector turns your desktop into a touch pannel

Lazertouch mini projector is unique mini projector with android system which can works as a Pad/tablet PC. 

What it does instead is project up to a 15-inch-diagonal screen on whatever surface you point it at. Touch it with your finger, when you touch the surface which covered with laser curtain sent by the projector, Signal will be reflect by the finger and catch by the camera of projector, then it will know what the action you will take. 
Besides, it is a mini interactive projector which project up to 200-inch-diagonal screen on the wall, use the pen, then you can make the screen interactive.

Intruction