Japanese region-locked software and consoles will not work outside Japan. Region-Free (works worldwide regardless of region) Region-Locked (Japanese version only works on Japanese region hardware).
Mahjong Quest Expeditions (Nintendo DS)
Solitaire, Mahjong & Tangram: 3-in-1 (Nintendo DS)
Mahjong 300 (Nintendo DS)
Mahjong Mysteries: Ancient Egypt (Nintendo DS)
Mahjong Warriors of the Emperor Used Nintendo 3DS Game
PSP Puzzle, Board Game Mahjong Bundle Set Japan Import JP PlayStation Portable
