Read Gangsta Granny by David Walliams.
Click on the upper left corner 
button to read full screen. Use the bottom arrows > and < to turn the page. The settings button 
lets you change font size, font style, background colour, line spacing, progress (pages or %), hyphenation, read aloud, etc.
Note that this reader does not allow you to underline or annotate the text. Such functionalities are available in stand-alone reader apps like Readest.