You can identify calls made via Mobile Office with the "isMobile = True" boolean added to the participant data of the interaction. This can then be used as a filter in your dashboard, analytics setup or for data actions.

The boolean is added as soon as a mobile user actively participates in the interaction. This means that rejecting or missing a call on mobile will not add the boolean, but participating in a conference via mobile will add the boolean.
You can use Genesys triggers and workflows in combination with this boolean to define actions that should only happen for mobile calls.
As an example, if you want to create or update Salesforce Voice call objects for mobile calls: