Cute but big problem
Ok, so this is a very cute matching game with nice graphics, but there is a huge problem with it. After every single round a keypad pops up to enter your name for high scores. If a child is young enough to enjoy a 2x2 matching game, then they are way too young for figuring out how to enter a name (or even just exit out of the keypad). My 2 year old daughter loves matching games, but after one round, she is gets stuck on the keypad, gets frustrated and exits the app. I assume the designers actually want kids to play this, so I am very confused by why they include the high score thing (which again, kids young enough to play this, don't understand or care about high scores). My suggestion: Get rid of it altogether, or at the very least, add an option to turn it off so it doesn't pop up after every round. Fix this problem and you might have a 5 star game. Otherwise you have an app that frustrates kids and gets deleted.