With the Official Android Application of the 42nd National Congress of Otorhinolaryngology and Head and Neck Surgery, you can access the contents, general information, scientific program, speaker information and details published before, during and after the congress, you can view the brief details of the papers from the presentation and paper sections, and view the allowed presentations as pdf. . With instant notifications, announcements and favorites section, you can be informed about social events such as sessions, lunch offers, answer questions with our survey system, and follow the congress newspaper, photos and videos from our media section. (edited)