This game is all about colors. Mix them, stack them and create complete lines of the same color in two awsome game modes: 

Download from here: https://apps.apple.com/us/app/just-colors/id1509556762?mt=8

or here:

Mix Colors

Mix two colors to get a new full square to complite lines. Three of them will make a matching line on the 4x4 board.

Stack colors

Put colors on each other. Three of the same color will make a complete line on this 3x3 board.