Haou Taikei Ryuu Knight - Lord of Paladin (Rev A) is a revision of the original Japanese SNES game. It is likely a later version, 'Rev A' implying bug fixes or minor gameplay adjustments. The original game description applies here as well, but this revision might offer improved stability or minor alterations to gameplay elements. Details regarding the specific changes are not readily available. 

Haou Taikei Ryuu Knight - Lord of Paladin (Japan) (Rev A)

Hanjuku Hero - Ah, Sekai yo Hanjuku Nare...!! (Japan)