Piano Hero I'll try to give you some constructive advice.
I could see this being funny if each screen didnt stay on the screen for 20 seconds and maybe if you had a funny voice doing the advertising too. Maybe like this: "First it was Guitar Hero, now it's PIANO hero! It only has 65 buttons you have to memorise, so its easy to pick up and play!" Sorry for the low score but it wasn't really that funny to me. Keep trying though!