We constructed a handy information assurance system using a mobile phone. Most of the explanations of the exhibitions in museums are written and not completely intelligible, or voiced and cannot be available for the hearing disabled. Our system will be a solution with a video transmission of signing through a mobile phone. In the system, a signing movie of the explanations was stored in advance on the internet data-server. The QR code was stuck in front of the exhibition in a museum. The mobile phone reads the QR code, calls up the explanation signing movie on the data-server and presents it on the phone screen. We report the evaluation test at a public museum.
