You need root, busybox, tun. Ko and the openvpn binary! Features: UI similar to Wi-Fi settings; Restart tunnel when connectivity changes; Start on boot; Passphrase; Dns; Script-Security; Write and View Log File; Open Source; The prerequisites screen will check your device for root, busybox, tun. Ko and the openvpn binary!
Friedrich Schäuffelhut is the developer of the app that is listed among the Communication category. OpenVPN Settings was downloaded and installed by over 1M users and the latest stable release was on Nov 25, 2012. Users rated this application 4.1 on Google Play.
A number of users installed the app on their Samsung and HTC devices. A free .apk installation package of OpenVPN Settings 0.4.14 is available from Droid Informer and you can read users' reviews on this site. Prepare 346 KB of free space on your device for this app installer and keep in mind that it runs on Android 1.5 and higher. The security report reveals that the app is safe.