Aeskeystxt: Citra Best

Runs almost every major 3DS title including Pokémon and Mario. ⭐⭐⭐⭐⭐

: These keys are derived from the 3DS hardware. They include Common Keys, SeedDB, and Title Keys required to "unlock" the game data so the emulator can read it. 2. File Location (Directory Paths)

Therefore, the responsibility falls on the user to provide these keys. Citra builds a "slot" for the keys, but the user must fill that slot.