If you are referring to "Hamachi," it is a virtual private network (VPN) application that provides a secure way to connect multiple computers and share files or play games as if they were all in the same local area network (LAN).LogMeIn Hamachi is often used for creating a virtual LAN over the internet,
research article publication enabling users to play multiplayer games, share files, or access remote computers securely. It's commonly employed in scenarios where traditional local network connections are not feasible.