CushionSystems is an Android app designed for browsing and learning the billiard cushion system. It offers a collection of systems commonly used in pocket billiard games. Through a quiz format, users can learn each system by calculating the correct number based on the billiard table diagram displaying start and finish positions.

The app features questions of various patterns presented randomly for efficient learning of the cushion system. Users can engage in challenge mode to answer all questions correctly or time attack mode to solve as many questions as possible within 60 seconds. While the primary goal is to educate users on the cushion system, it also serves as an enjoyable brain teaser.