The activity «Florina QR. The secrets of the town» has as its main objective the motivation of residents and visitors of Florina in getting to know the city’s past through mobile devices and tablets. “Reading” the QR code found on posters using mobiles or tablets, access to information on this point is given in a concise and friendly way. This activity is being implemented by the 5th Primary School of Florina “Theodoros Kastanos” as part of the “Learning together” program, funded by the John S. Latsis Public Benefit Foundation.