This game was released/re-released/remade a total of three times, originally for the Super Famicom, a second time for the Playstation, and the most recent time for the Gameboy Advance. Much of the controls and such were reworked for later versions (very similar to later games in the series, such as Tales of Destiny, in fact.)
This was the first, and only known, game to use Namco's FVD system, which allowed them to, using careful sampling of the voices, fit the entire game into 32 megabits (4 megabytes) of space, despite the full game being around 500 megabytes in size.