Another android/iOS thing that vaguely approximates a "game"

Maybe a weeks' worth of work? Idk, I thought it was a good idea. It's physically accurate btw. (Except that the main engine can't restart infinite times in real life)

https://drive.google.com/file/d/1ddnNAtudXTBCUD3S2mYnARo6StM4ofEQ/view?usp=sharing