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.