Wagic, the homebrew, is a C++ game engine that allows to play card games against an AI on Android (phones and tablets), the Sony PSP, Windows, Linux, Maemo, Meego, iOS (iPhone/iPad) and MacOS. It is highly customizable and allows the player to tweak the rules / create their own cards, their own themes, etc...

Info, Downloads, and more at http://wololo.net/wagic

Screenshots