Hayabusa Reader is File Manager (Tags, Smart Folder), File Viewer (PDF, CBZ, Text, Image).

[Viewer]
・Page Direction
・Layout (one, two, two with cover page)
・Encrypted PDF, CBZ
・PDF outline

[File manager]
・You can manage files using Folder, Tag, Smart Folder.
・Unarchive zip (zip with password). also you can select filename encoding.
・Create zip
・Sort files and folders (name, date modified, date last opened, size)
・Import files via iTunes, Dropbox, SugarSync
・Search files
・AirPrint
・Send mail
・Camera, Photo library

[Network]
・Dropbox (Download, Upload, Create Folder, Rename, Delete, Copy, Move Sort)
・SugarSync (Download, Upload, Create Folder, Rename, Delete, Copy, Move Sort)
・Web Browser (Save Pages, Images)

[Security]
・App passcode lock
(If you forget your passcode, you need to reinstall App.)