Description Driving Information System

Fully utilize your device as a digital speedometer and heads-up display. Driving Info System is a free and ad-free app designed to provide a GPS-based speedometer, compass, trip calculator, speed calculator. Speed limit function and heads-up display mode are also provided.
Features include:
* Ad-free;
* Speedometer and compass functions;
* Heads-up display function;
* Screen brightness and colors of HUD adjustable;
* GPS update interval adjustable;
* Multi-unit support: including metric, imperial and nautical;
* Speed limit function with audio and visual warning. Speed limit changeable in one touch;
* Trip calculator;
* Speed calculator, including average speed and max speed;
Open mind, open choice, open source.
The source code of this app can be found at:
https://github.com/princesswq/DriverInformationSystem
Please submit any comment to luckyhokey@gmail.com