Stuff for AAA games

I tried to make a AAA game a while ago. But after its release, I could not do things to the game such as keyboards.I don’t know if its a bug or I just don’t know exactly how to do it.Please tell me how to do it if you know

You have to develop custom hardware such as keyboards and stuff DURING the game development. Meaning that you should have your hardwarelab start working on custom hardware RIGHT AFTER you initiated the game development. Same thing counts for the AAA Marketing Campaign.