Gboard - Gravity dashboard

Gboard is a car assistant dashboard. 
Gboard can display practical information such as acceleration (G value), speed, altitude, pitch Angle and roll Angle.
Acceleration: The current acceleration of the device in the horizontal plane in G (9.80665m/s^2).
Speed: Real-time speed obtained by GPS
Altitude: Real-time altitude obtained by GPS
Pitch Angle and roll Angle: After clicking Start, the pitch Angle and roll Angle of the device relative to the moment when the start starts.
Support landscape and portrait