, which make all 721 Pokémon obtainable in a single playthrough. How to Install the 1.4 Update (Emulation)

While not a content expansion, data-mining of this specific update revealed and enabled support for:

When decrypted, the script reveals a called EXCL_14_FLAG . If activated, the script changes the legendary encounter:

You can also apply HD Texture Packs via Citra to significantly upscale the game's graphics beyond the original 3DS resolution. Version Exclusives in Alpha Sapphire

You step outside. The sky is a deep, bleeding violet. Professor Birch lies unconscious near the tall grass, his Poké Balls shattered like eggshells. Above him, a holographic UI flickers—one you’ve never seen in any Pokémon game.