I tested this in a Supercard with microsd and minisd (I do no think it is relevant, it's just the same kind of device).
I haven't added support for flashing the internal flash yet, I assume that might be tricky, given all the messages in the SCFW...
Hey there!
So yeah, after seeing that this was pretty much possible (thanks to metroidmaniac's effort) and since this was something that I always wanted but nobody came up with, I decided to give it a shot and try it myself. I've been working on...