The Android platform provides APIs to allow developers to develop virtual private networks (VPN) solutions. These apps can offer VPN protocols that the built-in client can't support, and can help you connect to an VPN service without complex configuration.
This article explains how you can use the OpenVPN app on your Android device to connect to NordVPN servers. It also explains how to manually set up the connection using the NordVPN app and an OpenVPN profile. This is more difficult however it gives you greater control over the quality of your connection as well as mobile data.
To get started to begin, download the OpenVPN Connect app from the Google Play Store. After that, you'll require the OpenVPN configuration files from your VPN service provider. These config files are tagged with a.ovpn extension and can be downloaded from the VPN provider's website or by contact their live chat service for assistance. After downloading the config files on your PC or Android device, you are able to transfer them to your device. You can do this by directly downloading them to the device, or by using an application such as ZArchiver.
After you've uploaded your OpenVPN config files, launch the OpenVPN app and click "+" to create a new VPN profile. Select a server, then click "Connect". Once connected, all http://openvpnandroid.com/ Internet traffic is directed through the secure tunnel to the chosen server. The app shows the status and information of the connection under the Status tab. It also has an on-demand VPN option that keeps the connection alive even when the app's not active.