So it sounds like the first application of these projectors could be to replace computer screens with small projectors that can create a large display anywhere. A small camera (already incorporated in the smartphone) could be used to monitor the position of a pointing finger and create a full size "touchscreen".
There is a smartphone picoprojector on the market already, at least for the iPhone. Check out Pop Video, here's a review of it. This thing looks great.
The Other Tesla David Blaza5 comments I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...