A free program for Android, by Magical Egg 2.

Red Ball World 4 is an exciting arcade game with simple gameplay. The goal is to obtain pictures from the red ball.

The gameplay is easy to understand as you only need to tap the screen to let the ball bounce. You will get many different rewards when you play this game. Most importantly, Red Ball World 4 is a casual game you can play anytime you want, whether you’re relaxing on the bed or waiting for classes to start. The app’s premise is simple, but it’s guaranteed to keep you entertained for days.