Ball Sort Puzzle Game

A very relaxing game : Sort all the same colored (4) balls as long as 4 same color balls to a specific tube. - All the tubes word as stacks: the ball on top will be moved out first. - Tap any tube to move the ball to lie on top of that tube. - Any ball can be moved to an empty tube. - A ball can be lied on top of the same color ball. Hope you like this game and feel free to give your feedback here.