Oh yeah, for invisible floors that would be nice. I think people like Gravity Switch is because its turns the whole level on its head which opens new possibilities, whereas the rest are just an obstacle that You have to constantly push away by mashing enter.
Np, sorry if it was a bit harsh, because I see two of You responded;) Its a jam in the end, our game is broken in many ways too. I just play platformers a lot, coded few too and see immediately what is wrong, wanted to share