Every Proxy

 https://play.google.com/store/apps/details?id=com.gorillasoftware.everyproxy&pli=1

 Every Proxy 是一款专业级的网络实用工具，可让您将网络中其他设备的流量（比如vpn流量）路由到您的安卓手机或平板电脑。

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Professional Proxy Routing for Android

High-performance HTTP, HTTPS, SOCKS4, and SOCKS5 proxy servers directly on your device. No root required.

Every Proxy turns your Android device into a powerful network gateway. Route traffic from laptops, consoles, and tablets through your phone's active connection with a lightweight, user-space implementation.

from  https://www.everyproxy.co.uk/

（ https://www.everyproxy.co.uk/how-to-use-every-proxy/，

 https://www.everyproxy.co.uk/install/ ）

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There's an android app called "Everyproxy" that lets you share the vpn connection of a device with another person's phone who doesn't have VPN。