This specific version is the "gold standard" for the ROM hacking community for several reasons:

A graphical and mechanical overhaul that stays true to the Hoenn feel while adding new regional forms and quality-of-life features. Pokémon R.O.W.E.

: A "vanilla+" hack that balances the original game, makes all 386 Pokémon catchable, and adds significant Quality of Life (QoL) features. Pokémon Blazing Emerald

Search for the file named exactly "1986 - Pokemon Emerald (U)(Trashman).gba" .