Solitario della Nonna is a free Android game developed by Preekog. As the name suggests, it is a solitaire game that can be played offline. The game is easy to understand and play, making it suitable for all ages.

The game has a simple interface with a classic design, which adds to its charm. The objective of the game is to clear the board by moving all the cards to the foundation piles. The game offers different difficulty levels to choose from, making it ideal for both beginners and advanced players.

Overall, Solitario della Nonna is a great game for anyone who enjoys solitaire. It's free to play and doesn't require an internet connection, making it a perfect time-killer for when you're on the go or just need a break.