Android app for any age to sharp memory with number game. Sharpen your memory by clicking buttons in correct sequence. Random numbers will show on buttons for few seconds. You can customize numbers display time and font size in settings. Hint option is there to help you, each time you press hint, it will blink animate next correct number. Level start with just 4 numbers/buttons, as you keep win level will get harder. One attempt of wrong tap/press will end game and you can keep try again and it will show correct numbers too. This is perfect game for any age old, young or kids to increase observation power.