sitting at a video poker machine, nobody's likely to hassle you for looking up perfect strategy on your phone. On the other hand, most table games dealers will tell you to leave the table while using your phone. It's fine to have a paper card with blackjack basic strategy, but not to check the same information on your phone. But in any case, the rig described here is not going to be a good idea anywhere in the US I'm aware of, and that's assuming you can even find a skill-based machine with sufficient payouts to justify trying it. https://www.programsnow.com/