Does Android have built in VPN?
Android includes a built-in (PPTP, L2TP/IPSec, and IPSec) VPN client. Devices running Android 4.0 and later also support VPN apps. You might need a VPN app (instead of built-in VPN) for the following reasons: To configure the VPN using an enterprise mobility management (EMM) console.
How do I setup a VPN?
Setting up a VPN server on Android
Open Settings in your Android device. Find Wireless and Networks and click More. Select VPN and follow it up by tapping the + sign. Choose the preferred protocol under VPN Type (PPTP, L2TP/IPsec, SSTP, IKEv2) and then fill in the details provided by your VPN provider or network admin.