1. General.
: This game is the card number matching game.

2. Instructions.
(1) Game Playing Methods.
- This game is a game to match two the cards number.
When the user touches two the cards step by step,
if two the cards number are matched, two the cards
will be opened on the heads side. If two the cards
number are not matched, two the cards will be closed
on the tails side.
(2) Level Up.
- If all the cards number are matched, the level is
increased automatically.
- Until the level 2, time is unlimited.
- From the level 3, there is a time limit and the time bar
will appear.
(3) Bonus.
- If the user matches the 7 card number, there is the
bonus time from the level 5.