by MobiWIA - EclipSim
Displays GPS and sensor data: position and signal strength of satellites, accuracy, speed, acceleration, altitude, bearing, pitch, roll and battery state.
Tools included: compass with magnetic and true north, leveling tool, mark or share your location and navigate back later.
Keep your GPS fast:...
Excellent location tool — Lost? This will help you figure out whether your phone's GPS is on track. It also contains a very accurate compass, a leveling tool, and location sharing (so you can get some help from friends if lost!).