A free app for Android, by SmallBigSquare.

Do you like playing games that don’t require complicated gameplay? Do you like playing the ones that are easy to understand but will still make you think? If your answer to the previous questions is yes, the Tap Tap Gems app is for you.

Tap Tap Gems is a fun and addictive puzzle game. Here, you must tap two or more gems with the same color to get rid of them on the screen. Every level has a certain score you have to acquire. This game has 120 levels, so best believe that you would have to play this game the entire day.