I like what these guys are doing a lot more: http://reconinstruments.com/ http://reconinstruments.com/ It looks to be Android-based as well. The Snow version i

I like what these guys are doing a lot more: http://reconinstruments.com/ http://reconinstruments.com/ It looks to be Android-based as well. The Snow version is even more impressive as it clips into a number of goggles, as opposed to require you purchase the googles from them. It looks like goggle manufactures have to explicitly support this add-on, but it's a great way to engage a user-base without having to compete with the established players.