Use the arrow keys to move the play cube. On mobile, you can kind of drag it around. If you're having trouble with a level, you can skip it with S, or there's also a helping item feature where a powerup will be available if you might be stuck. On mobile, you can touch near the top, then touch the skip button. Speaking of YouTube, did you know I also have a YouTube channel? (Credit is below but spoiler warning) Thanks to: https://scratch.mit.edu/projects/1581299 - for setting up the rickroll
All code by me.