This app has car dashboard speedometer that comes with amazing speedometer themes and customizable options.
All you need to do is run this app and put your phone on the car dashboard, the reflection of your phone will show you the speedometer on your front car glass.

App Main Features:

=> It supports HUD mode, which mirrors the display in either portrait mode or landscape mode.
=> It supports both portrait and landscape mode and also supports sensor-based auto-rotate.
=> It supports MPH/KMH speed units.
=> Set a max speed warning. It warns you if you exceeds the max speed during your journey.
=> It allows you to switch between various display colors.
=> It displays time, battery, current/max/average speed, GPS status.
=> Save your journey data in history.