You gotta believe me this is something I was looking for. I am not a techie so I do not know how to tweak Ms word or make use of the best of technology and for me this reader works like a charm. Now I open MS word files in it and voila... Simple and superb.. Cheers..
The Windows/Linux GUI is very inconvenient, lacks common functions, is buggy and generally looks like an afterthought. The update schedule for non-Android versions is lacking too.
Easy setup, text-to-speech was a nice surprise (has some problems with highlighted/bolded text), minor bug when showing last page of doc ("next page" function performs page turn animation, but just shows the last two pages again - better to detect being on the last page and show some appropriate "you are at the end of the book" animation). But those are quibbles, this allowed me to quickly view an ePub document I received, with no real hassle.
(Linux version) Very good reader, especially support of DOC format. The weak point is an interface customizing, such as inability to hide all control elements in fullscreen mode, setting up own hotkeys and textures.
Extremely useful app. The faster I have ever tried. stable (never crashed), easy to use.