Speedometer HD is a free speedometer and distance tracker for Android devices. This app is designed to track your speed and distance on the go. You can measure your speed in miles per hour (mph) or kilometers per hour (km/h). The app will also keep track of the distance you've covered.

If you're on a bicycle, this app can also be useful for you. You can track the distance you've traveled and measure your speed.

In addition, Speedometer HD can be used for other purposes. It can be used for land measurements as well as in calculating the average speed of a trip.