PPTP can also be used to establish a tunnel between two local area networks. PPTP encapsulates (encapsulates) PPP frames in IP packets for transmission over a global IP network such as the Internet. PPTP VPN- PPTP (English Point-to-point tunneling protocol) is a point-to-point tunneling protocol that allows a computer to establish a secure connection with a server by creating a special tunnel in a standard, unsecured network. VPN- (English Virtual Private Network - virtual private network) is a generic name for technologies that allow one or more network connections (logical network) to be provided over another network (for example, the Internet). If you know what a VPN is, how it works, then most likely this article will not tell you anything new, I wrote it for beginners who want to protect their online security, bypass censorship and regional bans, and maintain their anonymity. Many users have never heard of VPN, and when they saw this item in the phone settings, they just shrugged their shoulders and moved on. Here I will try to talk about setting up a VPN on android devices.