Label that Diagram - Cells

Enjoy.
This app provides the user the opportunity to study cell structure as well as test what they know. There are 5 cells presented: Animal Cell, Plant Cell, Amoeba, Paramecium, and Euglena. The player can study the labeled diagrams or play the game of labeling the diagrams.
When the game is played, the labels appear in a random order one at a time and the player must tap on the correct dot on the diagram. The player gets 50 pts for a correct answer, loses 25 points for a wrong answer and loses 100 points for revealing the answer with the Hint button. The app is FREE and does not ask for any permissions. No internet connection is needed to play. There is no registration required.
The app was tested on a variety of Android devices with no issue. Send comments to rtcarman47@gmail.com
It should run fine on Android versions 5.0 through 8.1.
When using Android TV you should turn on mouse mode. Enjoy.