The game has many features that you can use, like Play, Swap and Pass. 

It is very easy to access these buttons and here's how:

1. Create a new game to open a new board.

2. Go to the lower right corner of the board to access the Play button highlight.

Based on your game board size, you might see the Play button on the bottom.

3. Go to the lower left corner of the board then tap the hamburger menu.

The list of features will appear and this includes the Pass and Swap buttons.

Simply tap on the feature you would like to use.