It is a concentration of the card game.
Concentration is easily anywhere card game that you can play.
Concentration of this app will be able to play in the difficulty of 4 stages.
By all means, please play.
■ Concentration of the rule
easy and nomal mode is played using the 16 sheets of playing cards.
easy mode you can see all the first three seconds of playing cards of the table.
hard and very hard mode is played using the 36 sheets of playing cards.
hard mode you can see all the first three seconds of playing cards of the table.
The same card is going to align two, it is clear If you align all of card.
You can see the number of times that was wrong in clear screen.