The compass is downloaded to the mobile phone.

Take the Apple mobile phone as an example:

1. Open the APPle Store application. As shown in the figure below:

2. enter the Apple Store interface. As shown in the figure below:

3. Search for a compass, and then click Download. As shown in the figure below:

4. Open the Compass APP after downloading. As shown in the figure below:

5. Finally, you can enter the Lohan interface. As shown in the figure below: