The start of a new game. 1 and 9 have been selected to make 10. Note the 'dark' dice, and the keyboard hints in the corners:

Later the same game. The dice, layout and tile size have been changed, and the key hints hidden:

A game of Triple-Trac 12 in progress:

You can pick the layouts and customize the keys for each game:

The extra-large scale game and and alternate layout for the basic game. Game is over, because there's no way to make 12 with the remaining tiles:

Alternate layout and dice for Triple-Trac 12: