BOCYL is an application developed by SILA Tools so that it allows the consultation through mobile devices, smartphones and tablets, of the information of the Official Gazette of Castilla y León. It is constantly updated with the reuse of the information from the RSS of the electronic edition of the Official Gazette of Castilla y León that is published on the portal of the Junta de Castilla y León. This version contemplates carrying out the following operations: consult the last available newspaper, search for a newspaper on a selected date, filter the articles of the newspaper according to section, search for articles according to their range, as well as add and delete articles in a list of favorites from the calendar.