- Click the Home icon
- Click the far right of the blue start button and enable
Firewall
(enables all 3 options) - Click Configure > Proxy > Setup Wireguard
- Using the + icon, import your Wireguard config and enable it
- Go back to Settings > DNS > System DNS
- Scroll down and enable "DNS booster" and "Prevent DNS leaks"
- Go back to Home and enable RethinkDNS
- Open Android Settings > Netowork & Internet > Private DNS (make sure it's set to Automatic)
This will tell Android (and RethinkDNS) to scoop your Wireguard DNS.