

If it’s working correctly, it should be as simple as accessing (internal ip) : (port) at (external ip) : (port).
There are a bunch of things that might be going wrong if it’s not working. Unfortunately, I don’t have the skills to help you diagnose the issue!
The Curse of the Golden Idol is a detective-puzzle game that is easily played one handed, is cheap, and is great.
Invisible Inc is like a stealthy XCOM (which I see on your profile), and again, easily played one handed.