RubyKaigi is the de-facto authoritative Ruby conference in Japan (since 2006).
Some features of the official conference app:
• Agenda - Up-to-date list of talks and other events like breaks, lunches, parties etc. • Event details - Description of the talks and events. • Speaker profiles - Speakers' bios, photos, social media links and more. • Venue info - Map with conference directions included. • News & updates - Messages from the conference organizer. • Works offline - All essential info is accessible without internet connection. • Notifications - Important alerts about changes to the Agenda.