Sharp mind is an excellent logic game created by atechnos. Here you will have to fill the grid. There would two tiles, red and blue all you have to do is tap once on the tile to make it red and tap twice to make it blue. Three tiles of the same color and next to each other isn?t allowed. And full row must have as many red tiles as it has blue ones. And no two rows and two columns should be the same. Also read the whole content how to play once in the game. Give it a try and sharp your mind.