Solitaire, developed by StammtischGames GmbH Co. KG, is a free-to-play card game available on Android. The game is designed with easy handling in mind, making it accessible to players of all ages.

One of the standout features of Solitaire is the ability to choose from different backgrounds to customize the game's appearance. This adds a personal touch to the game and makes it more visually appealing. Additionally, the game allows players to control the release speed conveniently via 4 buttons, which can be a helpful feature for those who want to control the pace of the game.

Overall, Solitaire is a great option for those looking for a free and customizable card game with easy handling.