This is a just web user interface for google map. There are following buttons to access google map power easily.

Places Search
Search places that match specified keyword on current map.

Map Search
Search map that match specified address.

Route Search
Search route. Driving. Bicycling. Walking. Transit. If there is no result, a route is not displayed.

Map Type
Select map type. Roadmap(default). Sattelite. Hybrid. Terrain.

Street View
Switch to street view.

Track your position on map with GPS.