A free app for Android, by Gem Game Studio.

The Science Experiment Fun App is the ultimate educational tool to teach kids the basics of science and technology. In this free educational game, kids can experiment with different materials and see the surprising results that arise. 

In the game, kids can learn all about the different types of experiments that can be done in a laboratory, and they can perform them in real-time with real-world materials. They can experiment with various chemical compounds, and they can see the reactions that occur. They can learn how to make different types of fountains, and they can create a tornado in a bottle. They can also check the solubility of a substance, and they can make a simple electric train.