Newsflash: touchscreen controls are almost universally bad. They're so bad that companies like Sony, Archos, and NVIDIA have created entirely new devices just for the novelty of shoving console-style physical controls onto Android hardware. There's got to be a way to make make non-tactile control schemes suck less. This Kickstarter project... isn't it.
They're stickers. Stickers for your screen, shaped like controller buttons. How bad is this? Oh, let me count the ways.