Hi,
thanks for sharing your concern.
you just need to follow this steps
AARP Medicare, it's surely helping you.
1. From “Play Store” download / install “OpenVPN Connect” app.
2. Once installed, tap on “Open”
3. Tap “Agree” then select “File” tab.
4. Access the folder to import downloaded OVPN files.
5. Navigate to the downloaded OpenVPN files and select your desired server from UDP or TCP folder, then Tap “Import”.