A short cell-splitting puzzle game created by Alan Hazelden. This is a completely free game, with no ads or in-app purchases. Not suited for phones with small screens, sorry!
Draknek is the developer of Dr. Biology's Educational Game that can be found in the Puzzle Games category. The game was downloaded and set up by over 1K users and the most recent stable release was on Jan 20, 2015. Google Play shows that this application is rated 4.3 by its users.
It's free of charge to download the installer of Dr. Biology's Educational Game, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 2.2 and higher. The app is completely safe for downloading.