A free program for Android, by Topgun Studio.

Woody Ball Sort – Puzzle Game is a relaxing time-killing puzzle game that lets you play your phone anytime and anywhere. The objective is to take all the balls of the same color and place them in the same tube. You can only use one color at a time. Each level has multiple stages that require different strategies to pass.

You can enjoy this puzzle game in several different ways. You can play it as a single-player game and compete with other players online. Or, if you prefer, you can also play it in a single-player mode and take on all the puzzles on your own.