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]
https://gizmodo.com/motorola-droid-lego-robot-solves-a-rubiks-cube-faster-t-5532302