This is very promising, thank you baf!
I have changed "usr/bin/lipc-set-prop com.lab126.winmgr orientationLock R", but leafpad still starts in portrait mode. Anyone manage to get landscape orientation?
Landscape keyboard in book note-writing mode works quite well with thumbs, the buttons are big enough.
Is it possible to customize the Kindle keyboard? Would be awesome to have ä and ö -letters directly available, without having to long-press a and o.