How to Install OpenVPN Client on Android
Server - Ubuntu - Windows - Android - VPN Users
Mine says Open, yours will likely say "Install"

Although I continue with methods,
you CAN actually just open the ovpn file...
it often will install it just that easy!
but then there are times it doesn't...
click the giant +

I named mine punkinpi, as I name my Pi
machines weird things... I'm weird.
Click your ovpn file and then Open

Hit the switch to connect to your OpenVPN Server!

It should look like this... except probably not punkinpi.
You're connected, enjoy!

Server - Ubuntu - Windows - Android