Open VPN

OpenVPN project. It uses the VPNService API of Android 4.0+

Openvpn for Android is an open source client based on the open source OpenVPN project. It uses the VPNService API of Android 4.0+ and requires neither Jailbreak nor root on your telephone. No, this app is for connecting to an OpenVPN server. OpenVPN is a client software to connect to an OpenVPN server.