On paper, Laser VR sounds like one of the worst product ideas ever: you need to buy an iPhone, a laser pointer, and a Pico projector just to get started, but darn if we here at TUAW aren't drooling over the prospect.

An iPhone provides both the graphics generation piece, which is piped through a cable to a small projection system (low end projection systems now start around US$125), and the computer vision system that aligns itself to the projected image and interprets the laser pointer position for gaming.

As the following proof-of-concept video shows, while niche, the prospect of gaming on your wall could be super-cool.