價格：免費
更新日期：2016-05-24
檔案大小：17M
目前版本：1.0.2
版本需求：Android 4.0 以上版本
官方網站：http://www.psdpal.org
Email：apps@psdpal.org
In this game, players will learn the concept of physical and chemical changes and matter states; throughout the game levels, where they can change the character, which is a water drop, and choose the best state to move it from one place to another until it reaches the exit door.
