You may easily install this Web App on your mobile device:
IOS:
The PWA can only be installed on iOS using the Safari web browser. If not already done, please navigate to Friends NAVIGAYTOR in Safari. Press the "Share" button and select "Add to Home Screen" from the popup. Lastly, tap "Add" in the top right corner to finish installing the PWA.
Android:
If not already done, open the Chrome browser on your Android device and navigate to Friends NAVIGAYTOR. Tap install and follow the on-screen instructions.