To hide your identity, the application root AnchorFree is the data via a remote server on the network, the computer is transmitting or receiving. IP of the server is assigned to the computer in order to prevent other websites and users to access your real location and personal data.
The purpose of the application is that without putting the process of configuring the connection, providing a secure VPN connection. When you are using a wireless hot spot just new, you need to enable a secure connection. If you think this is too much work, you application can be configured to start automatically when you are connected to the new network.