Nice idea but heat and battery life will be an issue.
There is a market for this but most will just hook up to their monitor or iPad. People serious about projection will must likely have a real one.
There is a market for this but most will just hook up to their monitor or iPad. People serious about projection will must likely have a real one.
Sure, but that leaves out all those not serious about projection, and even for the rest, they don't have a projector that fits in their pockets.
Compare with cameras: Before smartphones came with decent cameras, most people would just get out their good, regular camera. Less than ten years later, Instagram sells for ~$1bln.
We would all love a projector on our phones, but we need battery power.
Ever run a flash light app on your phone? Imagine watching an hour of video on a projector...