GDG DevFest Yangon 2017 featured 8 speakers discussing topics related to Google technologies. There were around 400 attendees, including 30 foreigners. Speakers covered Android Oreo 8.0 updates, ARCore, Firebase, TensorFlow, and building AI in Rust. Firebase provides mobile and web development platforms with realtime databases, hosting, and other services. Dagger is a dependency injection framework that can help developers write cleaner code.