The CHANGE CARDS button allows you to explore the best play returns for hands that you enter. When the trainer is turned on, it lists the best plays and their average expected wins on the left. You can use the mouse to click on cards to hold, or you may find it easier to use the keyboard: Select from 19 different video poker variations with the button, including Jacks or Better, Bonus, Double Double, Triple Double, Full Pay Deuces, 16/10 (Not So Ugly) Deuces, Loose Deuces, three kinds of Joker Poker, and more.