[main function]
* Compass
- Compass and magnetic field strength Displays user location information in real time.

* Real-time map
- Draw a compass on a map, showing your location in real time.

* Level meter
- Provides a leveling function. Includes calibration features.


[Precautions]
* If the magnetic field strength is high, the accuracy of the compass will decrease.
* The accuracy of the sensor of the smartphone may be deteriorated depending on the influence of the surrounding environment.
* For altitude information, it may not be accurate. Please use it for reference.
* Location (top, longitude, address information) information may have errors.

[Optional Access Rights]
- Location information: indicates the user's current location (latitude, longitude)