The document discusses the need for mobile apps to enhance the experience of attendees at large events like film festivals. It describes an app created for the Thessaloniki International Film Festival that provides an event program, personalized scheduling, search capabilities, social sharing features like ratings and comments, a map of venues, and a dashboard with analytics. The app aims to make navigating the large multi-venue event easier and allow social interaction between attendees. Future plans include deeper social media integration and advanced recommendation, navigation and ticketing features.