The Berlin, Germany-based games developer Ludisto has released a unique new twist on the classic, Poker Solitaire (aka Poker Squares) with innovations designed to make the game more challenging.

Designed initially for the iOS platform, the game includes an interactive tutorial and can be played in minutes, with a variety of social gaming site connections to boost the social aspects of the game.

New features include:

* 2 scoring systems
* Share your scores on social media sites
* Traditional, simple and 4-colour playing cards
* 5 backgrounds and 4  music tracks
* English, Esperanto, French, German, Spanish languages versions

The company says it will soon be expanding to Android, Fire TV and Windows Phone.