This looks cool but why would people use this instead of pinch,zoom,click?

I feel the whole point of touch interfaces is to move away from using a mouse. Instead of mobile touchscreen devices replicating desktop gestures, websites will move towards designs more suitable for the new dominant platforms. OnSwipe is a case in point.

The kite metaphor is interesting though. If this multimouse idea doesn't fly (pun?), you could turn it into a kite wars game. Use proximity sensors (it's the in thing) to pick up fights with people near you. Sharing photos with strangers is not for me, but I will pick up a good kite fight challenge any time.

Good luck!