A free app for Android, by CreativeOne.

GPS Speedometer for Car is the ultimate speedometer app for your vehicle. Use it to track your speed and distance on any road or track, whether it be a highway, city road, or even a dirt road. It works in any place, and you can use it on any device with an Android OS.

This app can calculate the speed of your car and even alert you whenever you are exceeding the speed limit (Heads Up Display).

Other features of this app include Weather alerts and data, a selection of various themes and profiles (digital, sport, race mode), a selection of display options, and a minimize option.