Beyond legality, there are real security threats:
If you have dumped your own system files or keys, here is how to set them up in popular Android emulators: 3ds Emulator Bios File Download For Android
: These are software applications that mimic the functions of another device or system, allowing you to run games or software on a platform they weren't originally intended for. In this case, a 3DS emulator for Android lets you play 3DS games on your Android device. Beyond legality, there are real security threats: If
This often happens with encrypted .3ds files. Try to find "Decrypted" ROMs, which do not require BIOS/Keys to run. 3ds Emulator Bios File Download For Android