It's always best to check the official rules and regulations of the platform you're playing on to see if deck manipulation is allowed or not. Some platforms may have specific policies in place for mobile play, so it's important to be aware of those. If you're interested in exploring other ways to play Solitaire, you might want to check out this link: https://joywallet.com/article/solitaire-cash-review/ . It has a review of an app that lets you play Solitaire for real money and has a community of players who share strategies and tips. Hope this helps.