Pretty neat stuff, if a bit early. Think Jeff Han at TED early, not multitouch on an iPhone early:
http://techcrunch.com/2014/02/20/inside-the-revolutionary-3d-vision-chip-at-the-heart-of-googles-project-tango-phone/
http://techcrunch.com/2014/02/20/inside-the-revolutionary-3d-vision-chip-at-the-heart-of-googles-project-tango-phone/