GPS Speedometer - this GPS SPEED application is a free software for Android devices with built-in GPS antenna. It acts as a normal speed gauge, which you may find in any car, showing the velocity of the vehicle you are in in kph and mph.
*This is an ad-supported application. The ads are located on the bottom of the screen.
There is also a flashlight available in GSpeed. You turn it on and off by simply clicking the green button, located in the top right corner of the app.
In miles per hour (MPH)
You can set the app to kmh or mph.
Some features of the speed app include:
-Shows you your current GPS position - Longitude, Latitude and Altitude, as well as your top speed.
-Your current speed and your maximum velocity, according to the sattelites.
Google Maps for newer versions of Android (4.0.3 and above)
-Added Google Maps view. With a single click you can view your current position on the map, which may help you navigate to your current destination.
-The pitch and roll of the vehicle you are in (the device must be in upright position according to the vehicle)
-Both the analog and digital speedometer views can be either in miles or kilometers per hour.
HUD - heads up display
-You can switch to HUD mode, which will show you your velocity digitally with large green numbers.
Mirror HUD mode
-A mirror view of the digits, allowing you to put your phone on the dash of the vehicle, so that the readings of your speed in kilometers per hour can be reflected from the windshield at night.
*Permanently set to KM/H or MPH
*Change your background
*Change needle color
*Choose to keep screen lit(or not) when app is active.
*Added a software menu button if no hardware one detected
*Move to SD card
*Fixed Altitude readings
*Added Google Map view
*Some bug fixes
*Set screen size
*Tested on Samsung Galaxy S III, Samsung Galaxy Tab 2 7.0'' and a Chinese phone with Android 2.3.4
Video of the HUD mode of the application: