ForeFlight is able to be connected to some Aspen Avionics systems using 'Connected Panel.' This can be done wirelessly via Bluetooth or wired through USB. Connected Panel provides the ability to Auto-Tune. You will also see the option to send flight plans to the panel using the SEND TO button on the NavLog. Here is a video that discusses the Connected Panel feature:
When using Connected Panel icons will appear next to items, such as frequencies, that look like this:
Image 1: Connected Panel icons.
You can also go to MORE > DEVICES and view the status of your Connected Panel connection.
Image 2: Aspen Avionics connection status information under MORE > DEVICES.