n-back

Good brain trainer app to improve your working memory with N-Back Task.
< USAGE >
1. Select level (1-10).
2. Memorize the answer of easy addition for the level times.
3. Continue memorizing and tap the last digit of the answer of n times before (NOT current answer).

You can submit your score to Google Play Game

If you don't know what is N-Back Task, please see below.
http://en.wikipedia.org/wiki/N-back

What's New in n-back 1.0.1

    - maintenance update

Download n-back 1.0.1:

Current Version: 1.0.1
Installs: 5000
Rating users: (5.0 out of 5)
Requirements: 4.4+
Content Rating: Everyone
Package name: jp.dicwizard.nback