Pocket Fritz
Pocket Fritz is a chess playing program for Pocket PC personal digital assistants.
Pocket Fritz 1 was released in 2001. The game uses a port of Shredder chess engine. Pocket Fritz 2 was released in 2002. In 2006, Pocket Fritz 1 and 2 lost the online ability to search positions on Chessbase servers. Pocket Fritz 3 was released in 2008 and used Hiarcs 12 as the engine. The successor Pocket Fritz 4 was released in 2009 and uses Hiarcs 13 as engine.