Well, it's a rock, paper, scissors in a video game form. The sound effects sound great and the graphics look nice, although there are no animations. One difference from a real game of RPS is that you can ponder your choice for however long you want to, while in real life there's this count to three or something similar.
If you're interested, you're welcome to enter our Game Development World Championship, we also happen to have a class for jam entries!