Shikisai Match the Colors app for iPhone and iPad

As you know, "Concentration" is a famous card game in the world. The alias is "Memory". This game is much like "Memory", but the difference is to use Colors.
The object of "Match the Colors" is to open pairs of matching panels in same color.

//////////////////////////////
* How to Play
(1) When you start the game, 16 panels appear on board.
(2) Tap a panel, the panel Opens and shows the color.
(3) Open two panels, and match the panels same color.
(4) Compete the speed at until matching all panels.

//////////////////////////////
* Events
There are three events in this application.
(1) Gradient Colors Match
(2) Rainbow Colors Match
(3) Achromatic Colors Match

//////////////////////////////
* World Leaderboards and Achievements
When you sign in Game Center, the record time will be registered in the world leaderboards automatically in each game.
When your best time reaches a certain level, you will get achievement in each event.