Press the arrow keys to rotate building blocks, while being a robot press 1 or hover over him with a gun to give him a gun. while the robot has a gun press 2 to switch to another gun. press 1 to switch to default gun. press 3 while having a gun to throw away the gun. Press space bar to use the guns. Press 4 to drive a car.
Thanks to @HeliumKitty for helping with the project A. S. D. F. On. Keyboard!?