1. How do I start a new game of Solitaire?

Tap New Game on the main menu or swipe left/right to change card decks, then drag and drop cards according to their numerical order.

2. Can I customize the appearance of my playing area in Solitaire?

Yes, go into settings by tapping on your profile picture, then tap Appearance to select different backgrounds and deck designs.

3. Is there an option to undo moves made during gameplay in Solitaire?

Yes, you can undo up to three previous moves by tapping Undo at the bottom right or using a two-finger swipe-down gesture.

4. What happens when all four foundation piles are filled with cards in Solitaire?

When all four foundation piles are built up sequentially from Ace to King in the same suit, you win the game.