: These are the language codes for English, Japanese, French, German, Spanish, Italian, and Korean. Pokémon X was the first main series game to include all these languages on a single cartridge.
If you are looking for this "helpful paper" to find a download link, please keep a few things in mind: Download Pokemon X (USA) (En,Ja,Fr,De,Es,It,Ko)...
: The safest way to play Pokémon X is via a physical cartridge or through the official Nintendo eShop (though the 3DS eShop has now closed for new purchases). : These are the language codes for English,
Are you trying to get this working on an emulator like Citra, or Are you trying to get this working on
: Sites offering these downloads are often high-risk. Avoid clicking on "Download" buttons that look like ads, and never run an .exe file if you were expecting a game file.
: Downloading ROMs for games you do not own is considered copyright infringement.