What is working memory?
It means "Working Memory".
This is a short-term memory of holding information temporarily and performing actions and tasks.
It is said to be effective against children's developmental problems, and against ADHD.
You can set the number of backs freely, and try hard to level up everyday!

-"Number of backs"
In this game, you can choose one to four backs.
There are 4 fixed types of animals to choose.

-Reset "Highscores"
If you reset the high score in this way, an ad will be shown in the first time, but if you press the button again without returning to the title in the second time, you will be able to reset without getting an ad.
Once you return to the title, you will return to the above state.