First Download And Extract Mahjong Titans game for XP File.
You Will Get Two Files First "Mahjong Titans" And "Vista.Emulation.dll"
Run "Mahjong Titans" Application And Install It Where It Say's.
Then Copy Paste "Vista.Emulation.dll" To (C:Windowssystem32) Folder.
Then Run Your Game.
"Vista.Emulation.dll" Is Important For Playing Other Vista Game On XP.
Special thanks to Rafael and Zoronax (who also created Vista.Emulation.dll Vista API emulation library) from XP users.