The original is from here. It's a modified version of mine. I have the
nightmode.ini customized.
I have changed the file
screenInv.so.
It is tested on all my devices. It is save.
look here:
https://www.e-reader-forum.de/ebook-...944#post344944
and here:
https://www.e-reader-forum.de/ebook-...949#post344949
Excuse me, but it's all in German. I'm from Germany.