The specific game you mentioned, "Bakusou Kyoudai Let's & Go!! Eternal Wings", is one of these titles, and an English patch for it would be of particular interest to fans of the series or to players who wish to experience the game in English.

"The variable encoding is a nightmare," Leo muttered, sipping cold coffee. On his screen, lines of hexadecimal code scrolled endlessly. The Saturn’s architecture was notoriously difficult to work with. The game stored its text in small, tightly packed blocks. If Leo inserted an English sentence that was even one character longer than the original Japanese, the game would crash or spill text over into the graphical data, corrupting the sprites of the Cyclone Magnum.