Jayenkai has updated his puzzle platform game JNKPlat.

Release notes:

Levels
Over 100 levels of kick ass hardcore platform puzzling action.

Level Editor
Make your own kick ass hardcore platform puzzling levels.

Two Jump Buttons
Jump one way!
Jump back!

Graphics
FOUR whole graphical styles!!
Now it really will hurt your eyes a bit!

Beeps
OMG! Your ears will explode from all the retro onion beeping!

Crazy
Beat all the levels to earn a whole nothing!!!!

It’s JNKPlat!!
Platform Puzzling the way it’s meant to be.

http://forum.gbadev.org/viewtopic.php?t=15999&start=75