https://www.digitalocean.com/community/tutorials/how-to-set-up-wireguard-on-ubuntu-22-04
wg0.conf
[Interface]
Address = 10.8.0.1/24
Address = fd24:609a:6c18::1/64
SaveConfig = true
PostUp = ufw route allow in on wg0 out on eth0
PostUp = iptables -t nat -I POSTROUTING -o eth0 -j MASQUERADE
PreDown = ufw route delete allow in on wg0 out on eth0
PreDown = iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
ListenPort = 51820
PrivateKey = OGY03FI96OLpBQFRRBax4avoPew+5e89OjB6YJCX0XQ=
[Peer]
PublicKey = Wm+aCOdhY1wBjbLboj7NYpsuF17Za21kIS/MXVOIImk=
AllowedIPs = 10.8.0.2/32
Endpoint = 187.64.131.115:40125
~
https://tech.serhatteker.com/post/2021-01/how-to-set-up-wireguard-client-on-android/