[America was going to ask what they were doing but he is instead captivated by what's going on on the screen. At first he thinks it's some sort of show--he's seen people watch things in the room before--but after a little bit of observation he realizes a bunch of buttons are getting pressed.
Therefore, eventually, he has to ask about the controllers.]
media room
Therefore, eventually, he has to ask about the controllers.]
What's that do?