The document describes a bus tracking mobile application called CatchMyBus. It allows users to see where their bus is and its estimated time of arrival by scanning a QR code at the bus stop or entering the stop number. This helps users avoid wasting time waiting at bus stops as the app notifies them when their bus is approaching. The app developers believe it has the potential to utilize existing public transportation GPS and timetable data to provide real-time bus arrival times through a user-friendly mobile solution.