Why hello, BlackNekos! Welcome, welcome to PC and nice to meet you! <3
Let's Plays fit best in the
Let's Plays subforum of Video Games, so make sure to give that section a look-see. Remember to keep the rules of the section in mind before posting over there, too - they're important to ensure you avoid making mistakes. There's also the amazing Emulation and Game Development which I see our regulars already linked you to... so yeah! PC has a ton of things for you to do here depending on your interests, so hope you find something you "click" most with and have a good time. I started with only Emulation at first but am very glad I decided to branch out into other parts of the site, though I can easily say Emulation and Game Dev. are some of the coolest places to be here!
You do seem pretty experienced in what you've spoken about though, so I'm sure you'd be able to help some people who are confused when it comes to programming among other things (assuming you'd be interested in doing that). So in no time you'll be a valued asset here, I'm sure! That's not saying you're not right now of, course, since every new member is a valued part of the community. But there's always that chance to evolve into something more here, as cheesy as that sounds.
Have a great stay here on PC and contact me or
Cid anytime if you need any assistance with this place! We'd love to help!