TriMet Go is a free Android app developed by SoMeX Apps for travelers and commuters in Portland, Oregon. The app lists upcoming arrivals for stops with real-time information, allowing users to save favorite stops for later use and lists recent stops for quick access. It also provides a search function to look for a specific stop and get arrival times, as well as a list of routes and their stops. The app also allows users to get a stop location on a map.

TriMet Go Pro, the app's paid version, offers additional features like nearby stops with a configurable search radius and maps with a line from the user's current location to the stop. The app also has a feature to scan QR codes at stops.

The app's permissions include in-app purchases for the Pro upgrade, location access for the nearby stops feature, camera access for QR code scanning, full network access for access to arrivals and nearby stops services, and view network connections to ensure Wi-Fi/Cellular service is enabled before using.

Overall, TriMet Go is a helpful app for those who frequently use public transport in Portland, providing real-time information and convenient features to make commuting easier.