Emerald %28u%29%28trash Man | 1986 Pokemon

Trashman uploaded the file to the web, marking it with his name and the year found on the internal motherboard:

The string refers to a specific, high-quality digital backup (ROM) of the 2004 Game Boy Advance game Pokémon Emerald 1986 pokemon emerald %28u%29%28trash man

If you meant "features" in terms of new content, many modern ROM hacks like Pokémon Crossroads combine Emerald with other regions (like Kanto), adding features like: : Combining Hoenn and Kanto. Trashman uploaded the file to the web, marking