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Do check this one: it is a Solitaire (Klondike) app that officially uses majority of Stockholm 17 decks. With this, you can actually able to see some of Lorenzo’s long gone decks! (although it will be in-app purchases) - it’s like a visualization of you play the card game using heavily customized decks (including playing with the hourglass shaped cards)

Currently, the app is a BETA version. Things need to be polished (and your in-app purchases are free to test out the buttons). You can be one of the testers until the app is officially published. Achievements will be a thing later.

We used to play late into the night, and it always sparked some friendly competition. I’m definitely going to check out that app you mentioned, though. The hourglass-shaped cards sound like a fun twist! It’s always nice to mix things up with different visuals.