Ticketbar: Travel Guides, is an app only for Ticketbar registered users.
Download the app and enter your credential to download your personal contents.
Features available, may vary, based on your contents:
Image Recognition for artworks (like Shazam!)
POI (Points of Interest) with GPS coordinates for Apple Maps
Audio guides for artworks or POI
iPod/Earphones functions: Play/Pause, Rew, FF, Tap for texts
Background audio playback
No internet required for audio playback and image recognition
Search engine for artworks or POI.