Manga Storm CBR funktioniert nicht

You can read your comics on your cloud storages directly or import them to your device to read offline and gain more benefits from advance features. √ Support comics in cbr/cbz/cb7/cbt/rar/zip/7z/tar/pdf files. √ Create shortcuts to your cloud storages (called "Comic Drives") and access comics on them directly through the app. √ Support creating Comic Drives for FTP, WebDAV, Dropbox, Google Drive, OneDrive and Box. √ Import comics to Manga Storm CBR to read offline from your device storages, iCloud Drive or by using the "Import" menu in Comic Drives. √ Read comics directly from comic drives with just a tap. √ Organize your imported comics in multi-leveled folders. √ Configure import options for each Comic Drive.  Support "Left to Right", "Right to Left" or "Top to Bottom" reading direction. √ Pre-assign appropriate reading style to each comic group or inherit it from parent group. √ Read all comics in the same group continuously.  You can assign default destination group for imported comics and also let the app create sub-groups for them with same structure as the server. √ Read your comics with suitable style.  You can turn last page of current comic to first page of next comic with just a swipe. √ Create shortcuts to your frequently accessed comic groups by assigning them to "Favorites". √ Save your reading progress on each comic automatically.  Manga Storm CBR is an app for reading DRM-Free comics in CBR/CBZ/CBT/CB7/PDF files on your device.  Note: Free version contains some limitations but it's good enough to use in your daily reading.