Source: http://gizmodo.com/5592576/lego-android-robot-solves-7x7x7-rubik-cube
The Rubik-cube-solving robot race continues. After the classic 3x3x3 cube and the 4x4x4 cube, here comes the Lego Mindstorms robot that can solve a 7x7x7, powered by an Android phone. We are headed to mass self-destruction, I tell you. [AndroidGuys]