A free app for Android, by Arclite Systems.

SandBox: Sand Pixel Simulator is an application that lets you play a full-featured particle sandbox with rotation. You can select from and experiment with a variety of elements in the app. You can use these components to see how they interact and produce different outcomes. Furthermore, these particles are realistically created so you can enjoy combining them; a great way to unwind.

Free yourself from boredom by trying this game out.

The game is for free and will not require you to spend a single penny. Download now on the Google Play Store and enjoy mixing up different elements together.