The document announces a NativeScript hackathon event with pizza, drinks, and prizes every 20 minutes including a grand prize of a Sony PS4. Attendees can earn raffle tickets by completing tutorial steps, finding bugs, or asking questions. The event will introduce NativeScript, a framework for building mobile apps using JavaScript that allows direct access to native APIs and UI elements on Android and iOS. Attendees are encouraged to start the NativeScript installation and follow along with tutorials during the event.