SG Bus / MRT Tracker is a free Android application developed by Goder Hsu that offers a range of features to help users navigate Singapore's public transportation system. The app provides real-time information on bus arrivals at specific stops, predicts the next bus arrival based on the user's current location, and displays nearby bus stops on a map. Users can also explore all bus routes via the stop and search for specific bus information by using route#, stop#, or partial stop name.

In addition to bus information, the app also offers MRT (LRT) information, including frequently used bus routes for quick selection, suggested traffic routes between desired departure and destination locations, and a well-planned route map to indicate the traffic types needed. The app also uses speech recognition to speed up the route planning process and provides information on nearby points of interest (POI), such as food, restaurants, attractions, and other store information. Users can search for POIs by category or name, and the app offers detailed information on each store, including photos, ratings, address, opening hours, and comments. Overall, SG Bus / MRT Tracker is a comprehensive travel companion that offers a range of useful features for navigating Singapore's public transportation system.