If you have to go back for the user base, use a fresh Firefox profile with no extensions except uBlock Origin and Jshelter then combine that with a mobile hotspot without a VPN.
Also, when you create an account, do not use the sign up button in the top right. Instead click a random Reddit thread on Google, then click reply on a random comment and then create the account.
DO NOT use your main email (including Gmail’s +1 or exam.ple variants) or phone number.
The Android UX can be changed in a fork. Samsung’s One UI is a good example.