I think they just mean Thenaya only works with amiibo currently, but the post they link to doesn't say that directly.
If you want to dump skylanders data in particular, theres a windows program for that already, called "Skylanders GUI tool".
it may be an issue with your rtc clock, which is caused by sometimes removing your battery. you can try and run this godmode9 script, which can fix it. put the .gm9 file in the SD:/gm9/scripts folder, and go to the "scripts" option in godmode9 by pressing home
The page you listed tells you of the differences in the bios, and correcting them will get it to boot. Just make shure you cut the bios right so the changed bytes line up.
Also, I managed to do something similar with the Smash 4 masterpieces, and i extracted the rom for super mario bros. 2...
Im trying to extract music from spongebob creature from the krusty krab on the WII, but all the files are in a .rev format. I tried winrar and some other things, but it wont open. What are these files and how do i get stuff out of em'?