App settings will allow you to set the Credentials for each app, as well as the preferred device you want to launch each app with.
Selecting this option will give you instructions on how to log into your apps on your PC or mobile device, and connect those apps to your Caavo account:
This setting will allow you to choose which device you want each app to launch on. After selecting "Preferred Device", you'll see a list of each of your apps. Click the app you want to configure, and then selecte the device you want that app to launch on: