DOKUMAN is a comic viewer for viewing the files of so-called CBZ and CBR format. You saved the image JPG PNG GIF Format a ZIP or RAR file
And I tried to make the aim of the operation simple as possible it is the app easy to use.

This app have
*Bookmark
*Keyword filtering
*Spread View
*Zoom in/out
*Auto Slide Show

I have noted within the app for details on how to use.