To turn pages swipe screen horizontally or use hardware volume keys.
Preferences Dialog allows you to customize OpenBook to suit your taste: colors, fonts, various directories, page turning options, etc. Shake to switch day/night mode.
OpenBook's Menu allows you to navigate through libraries and to control the application. If your device has no hardware Menu button, touch bottom-center part of the screen to run menu.
OpenBook is a branch of FBReader, but smaller and add some new features (such as shake and search), also free and open source.
Tags: openbook, open book, open books png images, openbooks, open books, openbook html lesen, 4 open book, open bok, apri swf gfire studio, how can i open book in.