User blog comment:NOBODY/Hot Air Jr. Demo - Failure/@comment-5055855-20120503123821/@comment-4997528-20120504025927

In the actual games the stars unlock extra hard bonus levels =D

If you want you to try you can scroll to page #6&7 of the games list at Nitrome!

It's challenging, though the controls won't give you the headache. The level difficulty will XD

Good luck!!!!