Well, Shiki's keeping those flaming red knee-highs. Regeneration is a good ability.
I think... maybe getting all secret reports would be best, before taking on Another Day: Pork City.
Wait, close a DS SCREEN to make bacon out of a piggy?
...
Eh. Emulators have a way to do that, too. :-/
You want to obtain
all the Secret Reports? You'll be fighting a lot of Pig Noise then; at least you'll be getting some rare pins in the meantime.
Also to defeat the sleeping Pig (Pig Samba) in Joshua, Day 7, you do have to close the DS screen.
If I may ask, do you own any physical DS games or are all of them emulated?