Press green flag then follow instructions! Helps you get better at simple math.
This was an app origonally in https://scratch.mit.edu/projects/878970953/ (My scratch O.S. game), and since in that game I needed to conserve space I made all the apps in one sprite, I could easily put the math game in backpack, then put it in new project and change it a little to correctly work. (that's why if you press see inside there will be things like a list for things open and broadcasts that don't make sence).