Tangentg

I have no idea how trustworthy MediaFire is, but it still is true that you would get a lot more feedback if you were developing new games for old systems than making old-looking games for new systems. Try it! Obviously you know the general principles of programming, which tends to be the first obstacle.

I haven't caught a virus from downloading a rom yet.

No it doesn't. I don't do those things that require installation. It doesn't leave anything behind.