I would say look into the chaos Computer Congress in Germany.
It takes place every year between Christmas and new years.
There is also plenty of other chaos events throughout the year which are smaller abut still very much worth the visit.
Yes, it was mainly just renaming jellyseerr. It is mature software.
Looks like the iOS app is not available in the AppStore but only to build it yourself…
Ah, so your worry is law enforcement?
To be honest, I am quite confident that the level of security for the access of my phone is fine for the level of energy they are willing to spend on a random person.
I heard you need to exclude Android auto in the WireGuard settings, then it should work.
The reason is that the car communicates via IP with your phone. But when all phone traffic is routed through your home, it can not reach the car.