價格：免費
更新日期：2014-02-07
檔案大小：1.1M
目前版本：1.01
版本需求：Android 2.3 以上版本
官方網站：mailto:silight.jp@gmail.com
This is a brain training game.
Memory the current numerical calculation, and answer the one shown N steps earlier in the sequence.
If all your answers are correct, next stage will be opened.
See also
Wikipedia - N-back
http://en.wikipedia.org/wiki/N-back