I find the margins around the Kindle app very annoying. I can't reduce them to the narrow ones I like.
I avoid reading pdf books on any device. It's just not configurable enough.
I use Moon+ Reader and Mantano for the most part - I love Mantano's ability to sort books, but I love Moon+'s smooth interface. Mantano has a page turn effect I can't turn off, so I've gone off it a bit recently. I'd prefer a smooth transition.
I would love a way to sort my books in Moon+ so I can see the books I've read, or am reading. Anyone have any ideas?