Latitude isn't enabled in the UK, and some other countries, on the T-Mobile G1, however it is enabled on many other phones e.g. Nokia N95. This is frustrating, a Google phone without Google Latitude.
Latitude Launcher can enable Latitude for you if you have 'Rooted' your phone
AugSatNav is an augmented reality navigation system which overlays walking directions upon a live video feed of the path or road ahead.
With AugSatNav there is no need to follow instructions or interpret maps - you can simply find your way by walking along the route highlighted by a bright white line
yozi is a navigation software for the Android platform. It uses digital topographic maps in well-known Ozi Explorer formats for navigation and doesn't require network access like built-in Maps application on Android
Sensorly Map Viewer - How good is your cell/mobile network coverage where you need it?
Is your favorite WiFi network going to be available at your vacation spot?
See the answer with this application and join us to build worldwide coverage maps.
(Data collection is configurable and can be turned off
Map Explorer is a prototype that tries to improve map browsing experience. It is basically Google maps with an overlay that shows POIs even if they are beyond the display. Use the preferences to test different visualizations
e-Mobile family locator - Easily find friends and family by sending a text message from your phone or web.
Locate device and people
* Locate people and lost device by sending a "locate" text message.
* Generate a ringtone on missing device by sending a "ping" text message
GoPenS is an OpenSource GPS application for Android phones, based on OpenStreetMap (OSM). OpenStreetMap is a collaborative map of the world. Therefore, one of the main functions of the application is to be able to record a trace and send it as a GPX to the OSM servers, and so edit the OSM Map
