Actually there is another AP beside the saving problem : no random encounter.
When I played the game on my DS, I was running around without meeting any random demon (the blue bar wont change color to yellow or red too o.O). Then I played it using emulator and I've engaged a lot of battles.
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day