The application is intended for users of the Vukovar City Library, with the help of which users can search the library's e-catalogue, view the calendar of events in the library, generate their user number in a barcode, extend the loan of materials, reserve materials, check whether the library has a copy of a material or request literature for seminar work. The application includes the library's opening hours, answers to frequently asked questions, contact information of all the library's departments and services, and links to social networks.