Here are some cheats and tips for the game Shanghai: Dynasty.
Cheat mode:
Use a text editor to create a dummy file named “cheater” in the game
directory. Begin game play in “Shanghai” or “Tournament” mode and press
[Ctrl] + Y. Press [Space] to remove a matching set of tiles. Note: A
mouse may not be used to remove the tiles. Continue pressing [Space] to
remove all tiles in the winning sequence.