App: Happy Memories by Horse Reader
Developer: Line Newermann
Genres: Games, Card, Puzzle, Entertainment

Match pairs of cards, select between different difficulty levels, card types and background colours.

Keep track of your high scores in Game Center (optional).
Game Center reaches across iOS and Mac (regular and lite) for version 1.3 and beyond.

Fun for all ages.

How good is your memory?

Release notes:
New Feature: 
Apple's Game Center leaderboards have been added.
The leaderboards will be combined for iOS and Mac (full and lite) in version 1.3.
* This feature is optional; can be toggled on/off.

bug fix: peek at card countdown timer will disappear after reaching zero.