If you want also these features, you can buy the full version. This free version doesn't has the following features: The apps not allowed will use networking as if the VPN wasn't running. This feature allow to choose which apps are allowed to use the vpn. The new app filter feature can be used only on Android versions greater or equal than 5.0 (Lollipop). * If you cannot resolve the troubles, please send me a e-mail to I will contact you at soon as possible and I will help you to solve the problem.
* Maybe your configuration is not compatible with the last version of openvpn, so try to set the option "Use old stable OpenVPN 2.3.2" in the "Options" section. * If you have the access on the server side, check the log also on this side. * If the log has errors like "ERROR: Cannot open TUN/TAP" or "Tun device open exception: ", please try to reboot the device. You can see the log by tapping on the vpn name, and so on the LOG tab. * If something goes wrong, check the log. After the import, the files can be deleted.
Then start the app, tap on "+" button in bottom right corner and choose "Import VPN profile". * To import a openvpn configuration file, copy the ovpn file on the device memory and put in the same folder any external certificates/keys files. * Import pem, der, pkcs12 cetfificate formats * Fingerprint authentication (Require at least Android 6.0)
The in-app purchase authorization is used only for voluntary donation to support the app development. There is not needed to have the root access, because the VPN tun device is handled with the VpnService API introduced with Android 4.0 (ICS).
This app offer an easy way to configure and use the well known OpenVPN.