The One Young World Summit 2019 sees the global forum for young leaders return ‘home’ for the first time since the inaugural Summit in 2010. With over 300 languages to be heard on its streets, London is one of the most diverse places in the world. The city is home to nearly 9 million people, one of the world’s biggest financial centres and countless historic sites such as Buckingham Palace and Big Ben. A city where the past and future merge, London provides the ideal backdrop for young leaders from more than 190 countries to work together to accelerate positive change.

The OYW official mobile app of the Summit has the following functionality:
- Social media event feeds
- Ability to chat with other event attendees right within the app
- Detailed info about the event including the live agenda
- Schedule with ability to create personal notifications and reminders
- Maps with routing functionality
- Live voting and feedback
- Attendee profiles and bios