If you are looking to play this game, consider these official or safer routes:

Multi-language support including English, Japanese, French, German, Spanish, Italian, Korean, and Chinese.

Many "Download" buttons are ads designed to steal data.

If you already have a file, you can check its integrity using the Citra Emulator compatibility list or community databases like Project Pokémon. If you'd like, I can help you: Find trusted retailers for a physical copy. Understand how to dump your own cartridges legally.