Enable Remote Play
You can use this setting to enable Remote Play on your PS4® system.
If you want to disable this function, clear the checkbox for 
(Settings) > [Remote Play Connection Settings] > [Enable Remote Play].
- For details on Remote Play, visit the PS Remote Play website.
https://remoteplay.dl.playstation.net/remoteplay/
- This setting applies to all users on your PS4® system. You can also connect by using Remote Play while other users are logged in to your PS4® system.
- When using Remote Play, the connected device displays the same screen as on your PS4® system. You need to press the PS button to display your home screen.
Connect Directly with PS Vita/PS TV
When you enable this feature, a PS Vita system or PS TV system can connect to your PS4® system without using a Wi-Fi network.