Me: "Hi, is there anyway I can get a headset please?"
Lovely SQ Girl with fake smile and too much make-up and in a robotic dictated speech: "I'm so sorry sir, but as this is a very short flight we are not handing out headsets for this flight. Sorry sir."
There you go
And by the way, YES, they let you meddle with the screen all you want, just that you don't get any sound.