Thanks! Also, do you know how I can get it working on a 3DS? I have a flashcart, but people on the thread are mentioning that they got it to work with sudokuhax...
You only need the flashcart for the DS games. The emulator on o3ds for snes is fine and works very well, so I don't know why sergey3000 is saying it's terrible.
The link for the spanish version of Ni No Kuni: Dominion of the Dark Djinn is dead. Here is a new one: http://www.romhacking.net/translations/2351/
EDIT: Typo
Has your friend been exiting to Home Menu without reboot (Start+X) or has he been rebooting to the Home Menu (Start+A)? Also, does he have the newest version of the game?