This QR code can be called up with any smartphone without having to download the app. The QR code can be shared accordingly. The app is particularly suitable for: - Seminars: Here the seminar documents can be downloaded during the seminar without having to laboriously send the documents to the participants - Restaurants can spread their menu inexpensively. - Teachers can conveniently distribute assignments to students during class. - Business cards can be passed on via QR code The QR code can be inserted anywhere.