I am honored to be the developer behind the first daily fantasy weather app in the world. It allows users to compete against other weather enthusiasts to select the best cities within your budget based on the type of weather selected.
Weather Battle is a U.S. company based in Tulsa, Oklahoma. The main idea was to develop a hybrid platform that works for websites and apps and which was 100% real-time.
I have used AWS sources to develop back and front-end. React, Lambda, GraphQL, DynamoDB, Cloudformation were part of what I use and the result was absolutely amazing.