Mojo Solitaire Collection is a collection of Solitaire based games. These include Klondike, Spider Solitaire, and the tile based Mahjong.
You can earn mojo coins by playing the games, that can be used to unlock Backgrounds in the game.
This is a great 3 pack of apps, which will continue to grow with each release.
• Klondike Solitaire
• Spider Solitaire
• Mahjong Tile Solitaire
• Unlockable backgrounds