After delaying this for many months, I have finished the command overview for ScmDraft 2, it is available here.
This overview lists all available keyboard shortcuts / options as well as actions which can be done in each layer.

The bible of SCMDraft is finally complete!

Hey, finally signed up at this place. :P
Anyway, the "terms of registration" link doesn't work. I'm probably the only one to ever try to read them, so I thought I'd let you know in case I ever get amnesia and have to register again and want to read them. :P