A free app for Android, by Theta Mobile.
Voice GPS Navigation Maps:HUD Speedometer is a GPS speedometer app that can be used as a driving assistant. It will help you to know the speed of the car while you are driving, which will help you to drive safely and be aware of the speed limits.
The app uses the built-in microphone to listen for the traffic and the road conditions. It will help you to know the speed, the traffic, and the road conditions.
You can also use the app to get the current location of your friends and family.
The app also provides the option of getting the current location by using the built-in GPS.