About Concentration
http://en.wikipedia.org/wiki/Concentration_(game)
Playing with 52 cards, and normal Concentration.
Instead of the picture on the card, you are using an icon of droids.
So lightweight software only standard widgets, please try to play.
Download and install
Concentration version 1.0 on your
Android device!
Downloaded 5,000+ times, content rating: Everyone
Android package:
jp.gr.java_conf.dragonfish.sinkei, download Concentration.apk