Company Spiele-Palast GmbH created these great apps:
Skat Palace, Doppelkopf Online Doko, Schafkopf Sheepshead Online, Mau-Mau Palace, Rummy-Palace, Solitaire Palace, Pinochle Palace, Spider Solitaire Palace, Canasta Palace, Whist Palace, Gin-Rummy Palace, and others..