FBReader

with just a few screen gestures. By default, FBReader runs in full screen, but by touching the center of the screen you can display all the app options, including the ability to change the background or even download free books in several languages. FBReader is a simple and powerful reading app, thanks to which you can turn your Android device into a powerful e-book reader. Especially useful, of course, for those who have tablets and mobile phones with relatively large screens.