Pokémon Unbound is widely considered one of the greatest ROM hacks ever created. If you are looking to download it in Spanish, you are in for a premier Pokémon experience that rivals modern official releases.
Another point is the accuracy of the Spanish translation. Since translations can vary in quality, maybe the user wants to know if the MediaFire link has a reliable translation. But without actual data, I can't confirm the quality, so a note about possible errors would be prudent. Pokémon Unbound is widely considered one of the
: Features such as an "unlimited" bag, auto-run, and modern competitive tools (like Nature changers and EV training items) streamline the gameplay. Complete Localization I can't confirm the quality