Speed reading app that supports MANY file formats and Third-party Apps! Highly customizable too! Fully supported File Type: txt,. Pdf,. Epub,. Fb2,. Fb2. Zip,. Doc,. Docx,. Htm,. Html,. Zip. Kindle eBook. Azw,. Azw3 Mobi and. Prc. Third Party App Support: Kindle, Dropbox, Google Drive, Evernote Pocket, Flipboard, Feedly, Zite, Pulse, Shrib etc.