Speed Assistant

Speed Assistant shows precise driving speed according to GPS data, unlike ordinary vehicle speedometers.Speed Assistant solves a common problem of navigation and cartography apps: lack of speed info.Speed display is always on top of any application.
Functions:
- Current speed is displayed in a separate customizable icon on top of all windows
- You can drag the speed icon all over the screen
- Click the icon to go to settings
- Cruise Control mode aids you to keep any pre-defined speed
- Indication of missing or weak GPS signal is displayed immediately
- Up to five freely customizable speed limits
- Miles per Hour (mhp) and Kilometer per Hour (km/h) unit of speed
- More than 370 presets for speed limits by countries and by vehicle types
- Color indication of the current speed range
- Custom color and transparency setting of the icon for each speed range
- Sound indication of the speed limit excess
- Sound indication of the speed limit threshold approaching (3 mhp or km/h less than the determined speed)
- Ability to turn on/off the sound indication for each mode, for any speed limits separately
- Audio output to a speaker or headphones

http://eplumsystem.com/speed_assistant/