the emulator emulates a memory card too. the ms0 folder is your memory card.
if some game can't save, it's probably caused by a bug and should be reported in its topic (or make a new one if the game has no topic yet, if you can't find it after searching), with a log set to info level, profiler and stuff like that.
if some game can't save, it's probably caused by a bug and should be reported in its topic (or make a new one if the game has no topic yet, if you can't find it after searching), with a log set to info level, profiler and stuff like that.