XrayPB is a free VPN client application for Android that uses v2ray/xray core to establish an encrypted secure tunnel to a VPN server. It functions as a universal VPN client that encrypts your connection and helps you access blocked websites behind a firewall. The best part is that you can configure your own server and connect using this app.

The app supports various tunnel types such as Shadowsocks, SSL (TLS), VMess, SOCKS, SS, VLESS, and more. It also features built-in Shadowsocks client and supports Google DNS or custom DNS. The SSL/TLS tunneling is also supported, making it a secure way to surf the internet privately. No root access is required to use the app.

To use XrayPB, you can import the config file/clipboard created by other users, which can be found in your local group/group chats. Overall, XrayPB is a reliable and user-friendly VPN client that provides a secure and private internet browsing experience.