WeWeWeb Bridge (Free) 0.7.3
the author of this app says:
A Bridge Game application that can be played by self offline against robot or connect via Internet to play with your friends. The robot uses SAYC (partially implemented). It is a beta-release and is subjected to continue development efforts. Your comments on how to improve the game are welcome. For bug report, please email directly to firstname.lastname@example.org.
Warning: The robot for the current release is weak. If you are a serious bridge player, please don't install it until production version released.