Project Natal on WP7 XboxHUB?

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It would be fantastic to have Natal on the WP7. Just Imagen interfacing with it with no touch, just voice and gestures.
Examples just for fun:
"minority report" type game controlling, so you don't have your hand smudging the screen.
Using the mini-HDMI output connected to a large screen and using the camera and mic on the phone to control the game, browsing, messages, e-mail.
Voice commands that really work...

Any futuristic ideas?

Very reasonable thinking. But bro, you forgot one thing: Project Natal itself seems to be at least thrice bigger than any phone currently available... You sure carring it around, along with a phone, is a good idea...?

I'm thinking about maybe integrating Microsoft Surface into phones is a better path? Yesterday I saw the video Microsoft Research showing off the prototype of portable Surface (1 camera + 1 projector). LG Panther, which should hit the market this September, seems to have quite an ugly and large hunchback. Building the lame back-mounted projector into a portable Surface will bring tons of joy.

very hard to be applicable

I heard that natal is using Xbox processor for its functions. So if natal would use phone processor for processing image, what is left for games processing?