We've just updated the game to version 1.0.8. This includes a change to the Sticky Rocket item, which will now detach any platforms that get stuck to them.

Full changes below:
Sticky Rockets will now detach any platforms that get stuck to them.Players can now get crushed between two platforms.You can now cancel a slingshot by releasing your grab with one hand.Made some small tweaks to a number of levels.