Forty-Nine Solitaire
These are two deck games similar to 40 Thieves but where the tableau builds down in mixed suit. Only the top card can be moved. All variations are fully enabled and free-to-play, no in-app purchases.
1-Card: one pass through the deck 1 card at a time.
3-Card: unlimited passes through the deck 3 cards at a time.
Rush: three passes through the deck, 3, 2 then 1 card at-a-time.