Sure, Google and crew can put together some nice tech demos for Project Tango's advanced depth sensing and motion tracking, but what happens when everyday developers take a crack at it? You're about to find out. Google has announced the winners of its Project Tango App Contest, and most of them aren't what you'd expect given the technology. The overall winner is HeroicArcade's WeR Cubed Tango, a 3D puzzler that relies more on motion than the usual screen taps.