OpenVPN Connect is the official full-featured Android VPN client for the OpenVPN Access Server, Private Tunnel VPN and OpenVPN Community, developed by OpenVPN Technologies, Inc.

Features:

* Supports Ice Cream Sandwich, Jelly Bean and higher. Does NOT require a rooted device.

* Easily import .ovpn profiles from SD card, OpenVPN Access Server, Private Tunnel or via a browser link.

* Improved power management - preferences setting allows VPN to pause in a low-power state whenever screen is blanked or network is unavailable.

* Android Keychain integration - OpenVPN profiles may reference a cert/key pair in the Android keychain.

* Supports hardware-backed keystores (such as on the Nexus 7)

* Support for multi-factor authentication using OpenVPN static and dynamic challenge/response protocols.

* Full IPv6 support (at both the tunnel and transport layer)

* Uses mbedTLS (not affected by Heartbleed issue)