FB2 reader for reading, with smoothing, flexibility and blackjack. Advise?

Question

Books

I may be corrected here, but I think that this does not fit into any gates:
fbcdn-photos-ba.akamaihd.net/hphotos-ak-xpf1/v/t1...
In the first version, the book is in pdf, the second - fb2 , which I read in STDU viewer. Look at the distance between the words - you can see the inconsistency. Of course, you can align it on the left side, but it also looks miserable. The second important point is the display of fonts, as if I'm reading through the sixth Internet Explorer. No anti-aliasing, no adequate display of some fonts in height (when the font is large, everything is displayed validly, when we reduce it, it seems to be crushed. The problem is relevant for fonts with combs: more noticeable)
There is something (other than mobile readers) that meets design standards 2014?