The three major players for this market in no particular order are:
ARM with Mali graphics IP.
Each have their particular strengths and weaknesses across technical and business characteristics. Through various corporate and advisory roles in the Android / consumer space I've seen them all.
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 ...