A free app for Android, by Panda Word Puzzle.

Water Sort is a simple and addictive puzzle game that will keep you entertained for hours. The aim of the game is to pour water into the glasses, until all of the glasses are full and there are no more empty glasses. Each level is full of challenges and surprises, and it will certainly exercise your logical ability. The game is suitable for many generations, and it is one of the best free water-sorting puzzle games for you to train your brain, kill free time and relax!

The gameplay is simple and easy to operate, but it can greatly exercise your logical ability by playing thousands of exciting levels.