Android app for buses that motivates drivers to drive economically: Telematics data is read from vehicles, evaluated situationally, and returned to the driver as feedback via a cell phone app. At the same time, the data is transferred to the VOITH IIoT platform OnCumulus, where it is processed for reports. Ray Sono was responsible for the gamification concept, architecture design, as well as all app, frontend, backend, and cloud programming.