windows 2000 working on emulator

[brianclueless]

I have a tablet, I am wondering if the emulator can somehow play windows , windows games, or how my tablet might be able to in general. There have been several games to come out from PC that were modified or assisted in some way to run on tablets. Such as grim fandango or doom 3 or the longest journey. Just last year most people thought PSP emulation on android was impossible. I admit that PSP runs usually on my tablet at its Lowest at 50 percent or so its usually running at 70 80 or 110 or more. It is very playable on my tablet.
My dream is to play the longest journey on my tablet. I really don't see how that is impossible, when people have already overcome what were likely much greater struggles.