Memorize - Focus and memorise

"Memorize" is a dead plain simple, fun and challenging brain game for all people. Suitable for both kids and grown ups. The game is easy to play but very effective in enhancing memory and concentration. How to play? The game has a 4 x 4 matrix of circles.
 At starting some circles are flashed in a matrix in random sequence.
 Memorize the order they appeared. And after their blinking, tap the circ…