Yeah you should vpn to Japan then add an account to your android phone in the setting. You can either add a gmail not tied to any android phone or create a new one. Once you get to the "add payment" step enter the dummy details (unless you really do have a Japanese cc add that) you can use this Link to generate a dummy cc (make sure you select visa). Source: about 2 years ago

If you know any DoH server not currently listed in the app (the most up-to-date list is here), feel free to either let me know I could add them or send a PR directly to OpenWrt Luci repo if you're comfortable doing that. Source: over 2 years ago

Powered by LuCI openwrt-19.07 branch (git-21.189.23240-7b931da) / OpenWrt 19.07.8 r11364-ef56c85848. Source: over 2 years ago

I do apologize I’m very new to OpenWRT. I do run tomato on my home router, but I’m attempting to help a friend get his business networked properly. The existing equipment runs OpenWRT but not a single soul here knows the admin login. I’m hesitant to reset it and try to start from scratch for a couple reasons. I’m still doing my own research and familiarizing myself with OpenWRT but I was hoping to get at least one... Source: over 2 years ago

I decided to swap out the router with an upgraded Archer C2 AC750 with OpenWRT. ( LuCI openwrt-19.07 ). Source: about 3 years ago