A free program for Android, by Rolling Panda Arts.
Water Sort Puzzle is a casual sorting game for all ages. This game is so easy and so fun that you’ll surely enjoy playing it, even if you’re a beginner. The objective of the game is simple: you need to pour colored water into different bottles, making each color to go into a separate tube.
There are 5 different game modes, so you can choose the one that suits you best.
In the Beginner mode, you will only be allowed to use 3 of the 5 bottles, while in the Advanced mode, you can use all of them. The other 2 bottles are locked and will be unlocked in the next mode.