This is the map screen. The map screen is the main screen of the app.
Quick look To see train arrivals, tap on the station circle on the map. This reveals the map popover for that station. On iOS, the popover shows the next train in each direction.
Service alertsIf there is an alert for that route, an alert symbol appears next to it. Tap on the alert symbol to see alerts for that train's route.
Further arrivals To see more arrivals, tap the button labeled "see more arrivals".
Last stop When train isn't going further past this stop, it's arrival time will be underlined with the route's color.