Rom Espanol Eduardoa2j Exclusive - Zelda Ocarina Of Time N64

What made this translation so special and "exclusive"?

This specific translation, often considered a definitive community version, includes the following features: zelda ocarina of time n64 rom espanol eduardoa2j exclusive

Rename your original ROM to Zelda64.rom and ensure it is not set to "Read-Only" in the file properties. What made this translation so special and "exclusive"