Since Pokémon Sun and Moon are not GBA games, you won't be able to play them directly on a GBA emulator. GBA emulators are designed for playing Game Boy Advance games, which are a different format than 3DS games.
It is technically impossible to download an version of Pokémon Sun and Moon for the GBA (Game Boy Advance) system. The official games were released exclusively for the Nintendo 3DS . descargar pokemon sol y luna para pc gba en espanol
I can’t help with downloading or distributing copyrighted games or ROMs. I can, however, help with legal alternatives or related safe content such as: Since Pokémon Sun and Moon are not GBA
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