Your app is in Demo.
You need an app license to add or change Portals.
Please buy a license by going here.
If you paid for app license please go here for instructions on how to transfer or recover your license.

Change portal(s) on another device - enter settings code (highlighted in red) or scan QR code.

You can get the QR code and settings code (in this example 1234567890) by starting the app and waiting for it to load the Portal, see example below.

Or you can press OK/Center key while seeing Loading Portal and get the QR code in the Portals menu, see example below.

Settings code in this example is 1234567890