How's RPG's compatibility compared to AKAIO? I might get an AK2i in the future if I ever buy a DSi, so I'm just wondering about this. If it's about the same, I might get an M3i Zero or whatever has more features at that time instead, since I've been looking for a good cart that has RTS feature for awhile now (Assuming it's the flashcart equivalent of save states).
Anyway, I guess it's time for me to switch out YSMenu for this. I never really liked using YSMenu for some reason, and I've only ever used it for games that have compatibility issues with the original R4 firmware (Which is like hardly, due to AP patches).
EDIT: Oh and btw, is this a firmware replacement or moonshell replacement? I'm just wondering because I didn't see a .nds file.