For anyone interested, I was able to figure out how to set up bluetooth control for KOReader on the Libra Colour. Took me almost 3 days to figure it out (countless tries, crashes, reconnections etc.). The instructions do not rely on a plug-in, so they should work on other devices as well. This thread and others on mobileread were very useful. Anyway, I've created a new post with instructions. Here's the link --
https://www.mobileread.com/forums/sh...d.php?t=370120