All you have to do is guess the colors!
Guess Colors is a brain game.
You are trying to guess 4 colors that lies top of the screen.
You have to be careful what you have done. You are able to strenghten your guess based on previous guesses.
While playing, the number that on the right side of a line is an indicator for "count of correctly placed colors", the indicator that on the left side of a line is an indicator for "count of misplaced correct colors."