SOCKS5 - Ultimate Proxy Client is an Android app that offers free access to SOCKS5 proxy servers worldwide. It is the world's first Android app that can connect to SOCKS5 proxy servers and other SOCKS5 servers globally. The app uses a unique technique to create a VPN tunnel, which makes it different from other VPN protocols like Shadowsocks. It is a free app and requires no credit information to use.

The app features over 100 premium SOCKS5 proxies worldwide, and users can manually set up the host/ipaddr, port, user, and pass of any SOCKS5 server. The app allows DNS configuration when connecting to SOCKS5 to prevent DNS leaks. Users can use all servers without any restrictions, and it offers easy connection without registration. The app is optimized for gaming, which speeds up the network when playing games and provides anonymous access to websites and apps. It is compatible with any connection type and bypasses lockdowns and regional restrictions introduced by firewalls at school, offices, etc. The app is also equipped with an intelligent ping analysis system and a smart server list filtering feature.