I am no expert but,

1) no need. once you are connected using the app, your whole laptop is vpn-ed.
2) you check the location by using IP. Google can use other method to determine your location, so that doesn't mean you are not behind a vpn.

You can wait for other expert for more accurate answer.

This post has been edited by y888c: Oct 31 2021, 12:53 AM