I haven't tested M&S3, but it should work just like all other games. Also, Kirby worked, Skyward Sword too. (SS asked for update, and when I updated, all it did was remove my cIOS, which isn't dangerous. I re-installed them with max revission and now, no update can remove them.) pwnage, what hacks do you have on the wii?
Might as well mention my specs too: Wii menu 4.3E with DarkWii Red theme, Bootmii IOS/boot2, HBC 1.0.8, CFG USB loader, cIOS 249 and 250 (d2x v6) (at max revision so updates won't overwrite).
I've extracted the files from the jump ARC (the one with the ADSJ files) and added stage names that I think the files refers to. http://www.mediafire.com/?6fn7uudfvubdteo Also, the stage IDs aren't exactly like the file names (at least not with every stage), but I still think they are stage IDs.
Blue: 3 first bytes read as dec, not sure about the 4th. (Stage ID also?) Green: Each byte read as hex. (Stage ID?) Red: Entrance/exit properties?
About the BLOC format, it's really simple:
Header: 0x0F 0x00(4) - BLOC 0x04(4) - Number of strings to entries 0x08(4) - 0x80 (128) (haven't seen any other numbers yet) 0x0C(4) - Nulls
String = 4 bytes the strings lead to formats such as: GDOR (door related?) GLOK GET1 GFSR GMOV (auto movement of stages??) GMOT GFT2 GENC GEPT GEG1 EPSP (AI)
MiscData[2] in SSE stages contain respawn points for stages that have multiple respawn points (maybe you respawn to the closest one?) and MiscData[9] contains stepjump, which should be directly related to the stage's ADSJ file.