I guess Twittby ate too many beans! Use the spacebar to control his... flatulence... and just be glad that it's silent. Don't be glad that it just might be deadly. Sorry if the meters are glitching out a bit. I'll try to fix that.
This is my variation of the Jetpack Joyride starter project by binaryteacher for a class. That one has no scripts, so it doesn't work.