About Concentration Training
It's used to train your concentration ability in a short period of time,
and it is also helpful for brain training.
Download and install
Concentration Training version 2.3 on your
Android device!
Downloaded 1,000+ times, content rating: Everyone
Android package:
jp.co.jyl.seldigit, download Concentration Training.apk
by E####:
Numbers were missing. Unable to move forward numerically when all the numbers aren't listed. Shame, seemed like a simple and fun game.