Yes, the GA Travelcard is valid for the whole Mobilis network.

In some cities, transport is offered after the scheduled service on Friday-Saturday nights and Saturday-Sunday nights. Region Offer More information Price Lausanne region tl_pyjama t-l.ch [...]

“Short Journey” Mobilis tickets can be used for journeys of 1-3 stops maximum within a limited time of 30 minutes. It is valid only on [...]