Every smartphone contains many sensors. Not only GPS, but also accelerometer, gyroscope, magnetic field, light, temperature, and many others. If you want to know which sensors are installed in your particular device, this app will tell you, together with all the related information about type, manufacturer, resolution, etc.

Furthermore, it can read out all the measurement values, display them in table form or graphics and store them as an ASCII file (csv = comma-separated values) for possible f