Connect Directly with PS Vita
You can set whether to connect directly from a PS Vita system to the PS4™ system when using Remote Play. To connect using Remote Play without using an access point, set a checkmark in [PS Vita Connection Settings] > [Connect Directly with PS Vita]. For details, refer to the PS Vita system's user's guide.
To connect from the PS Vita system to the PS4™ system, use (PS4 Link) on the PS Vita system.