Blue VPN is a secure and fast VPN (Virtual Private Network) proxy for Android. With it, you can securely access the Internet and your favorite websites from anywhere in the world. 

The app is free to use, and it doesn't require any additional hardware. All you need is a smartphone with a decent Internet connection. You can also choose to pay a small fee for extra security and speed.

VPN stands for Virtual Private Network. It is a type of network connection that can be used to securely connect to the Internet. In this case, the user’s device acts as a gateway, meaning that it is able to access the Internet securely.