【Description】Memory Game

1, When you press "Start", numbers from 1 to 9 will be displayed. You memorize it.

2, You can choose the time of number display from 1 to 5 seconds. The initial settings is 5 seconds.

3, You press 1->2->3->4->5->6->7->8->9 in order. If you can press all 9 cards, it will be achieved.

4, You can go back to No.1 by pressing "Back".