30
Any good ebook readers for Android?
(lemmy.ml)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
Gonna jump in to agree that Moon+ Reader seems to be the most commonly used. And for good reason: it's very customizable and it does a great job presenting text in an easy to consume way.
OP, I'm sure you've already tried it, but consider giving it another go. You can make it do nearly all the things on your list.