Family Mahjong (Rev A) is a revised version of the original Family Mahjong for the NES in Japan. The 'Rev A' designation suggests improvements or bug fixes to the original release, potentially including enhanced graphics, gameplay adjustments, or stability updates. Specific changes are not generally documented in easily accessible databases.  Pinpointing the developer and publisher remains a challenge due to limited information available.

Family Mahjong (Japan) (Rev A)

Family Feud (USA)