It's really like the real colour switch. To move the ball press the spacebar key. SO SORRY! It kind of lags after restarting it. But don't worry :) The second version is going to come out soon. It has some cool features added to it and the lags have been fixed. Right now, I am working on it and its going to be finished. So stay tuned.
Version 2 is out with many cool features! - https://scratch.mit.edu/projects/346105991/