This is Concentration (also known as Memory, Pelmanism).
Phone(iPhone/iPod touch),touch(iPhone/iPod touch) and you are players.
In turn each player chooses two cards and turns them face up.
They try to turn up pairs with the same number. They can`t choose two cards in series after they got pairs.
The game ends when the last pair has been picked up. The winner is the person with the most pairs.
You can change level by touching Easy/Normal/Hard/Special button when you start the game or reset the game.
With the special mode,you add the number of the card which you won.
Let`s start with you.