The favorite button should be located right above the game, slightly to the right of the game title in large bold font. Look for a heart with a green plus sign on it, and if you click it that game will be favorited.
The favorite button can be found just above the game screen, to the right of the game title. Look for a heart with a green plus sign on it. When you click on it, the game in speaking will be added to your favorites list.
