You have to match all pairs of identical tiles that are in the tower in the correct order to remove all the pieces and move through the levels.
When you click on a tab, it becomes checked and then you have to select your identical pair to make the two of them disappear, you have to remove all couples before the time runs out.
The chips are good quality resolution and details but the menus are very simple.
It is operated from the touch screen, just press to select the cards.
Android smartphones and tablets.