Openvpn for Android is an open source client based on OpenVPN open source project.
It uses the VPNService API of Android 4.0+ and does not require jailbreak or root on your phone. OpenVPN is a client software to connect to an OpenVPN server. It is not an application that sells or tests VPN services. If you want to help translate OpenVPN to your native language, check the homepage of this project.
(4.0 and up)
Ice Cream Sandwich (4.0 - 4.0.4),Jelly Bean (4.1 - 4.3.1),KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1)