In HitTheBalls activity :
- you are given a target result
- there are some balls with operations moving across the screen
- and you must click on the good ball (or the good balls).
The menu screen, where you select the game level : as soon you click on one level, the game starts.
Main game screen
The balls are moving across the screen, and the time bar is running down. The game may have several good balls, in which case all of them must be clicked.
Whenever you win or loose, the answers are resumed on a screen. Just click in order to return to the menu.