Originally Posted by user_none
FBReader does not support CSS. This is why italics are not working in some EPUB files.
There is no port of calibre for Android. There is no official interest for a port and it would be a lot of work.
Well, as to no interest, I'm not sure about that, as Calibre relies on Python, and I'd sure like to see a Python port to Android. A lot of work; most certainly!