Legos? Check. Droid? Check. Puzzle problem solver? Check. What you see above is being used to trumpet the ARM processor inside the Motorola Droid (as well as any number of other smartphones). The phone’s camera is used to identify the colors on the Rubik’s Cube and instruct the Lego robot on how to solve it. No matter how you slice it, this is one of the coolest thing’s we’ve seen all week. [YouTube] Thanks to everybody who sent this in.