to add a service, tap the plus sign in the top right of the app.
you will now see all of your services that are connected to the same network as your smartphone.
tap spotify in the overview of your services.
a window will open, asking if you want to allow liza to access your spotify account.
scroll right down to the bottom and agree by tapping the green button.
spotify will now be added to your services, and the window for configuring spotify will appear in the liza companion app.
you can now drag and drop any of the available controls and playlists onto the grid at the top of the screen in the liza app. these will be automatically reflected on your liza.