The Navigator-App is the official guide for visitors of Messe Frankfurt’s Prolight + Sound exhibition. It contains all the official information of the organizer. The app offers the following features: Exhibitors: search for companies and products, filter and sort functions available, also find contact persons ad exhibitor events. Add Photos and Notes to an exhibitor and share them. Connect!: Get in contact with further fair attendees. Filter for relevant new business partners and contact the