This project started as a contest. I participated, won and then I developed the complete interface. I iterated on the design based on the Alpha version of the app and how the new users were interacting.
Ideally I would have run some interviews and/or experiments to get better conclusions. Even so I got plenty of good words from the development team about the final result.
The design is simple and straight to the point. They were looking for an intuitive solution that solved the functionalities they were lacking.