So i am installing GrapheneOS rn and i need help:

1. i want app tracking protection to every app something like duckduckgo’s app tracking protection if there is something better?!

2. someone explain me (with simple words) what is auditor cause i can’t understand even if i read about it on GrapheneOS’ website (i am like 50% noob with these things)

3. is my wifi masked automatically with GrapheneOS or should i 100% use a vpn? is there a setting in the OS somewherere? i need a lot of privacy and security to my phone!!!

also tell me additional tips for privacy/security for GrapheneOS if u have any!

thanks a lot!