I recommend UB reader the best i tried.
[
https://play.google.com/store/apps/d....ubreader_west
You can download a dictionary from there website.
http://www.mobisystems.com/dictionaries/
long press on a word will open a popup box whit translate/dictionary.
free offline English dictionary:
http://www.mobisystems.com/android/a...ary-thesaurus/