This is a special browser that let you save webpages or other popular file format (eg, pdf, png...) for offline reading later. There is lot of good webpages out there but no guarantee that they continue to exist tomorrow. Also, the app will save your expensive cellular data costs when you could save webpages using cheap broadband connection for later reading when waiting for the buses.
To offline folders : press UP button.
To online browser : press DOWN button.
In online browser,
-press save icon to save current webpage.