Space, CTRL, Click, W, or Up arrow to jump. P to pause and unpause. Z and M to edit the levels and exit the editor. 1, 2, 3, 4, and 5 are switching blocks in the editor.
Jumper 2013 by Bravado is a harder level. ID: 7255585 I made it from the iPad GD APP. Credit goes to griffpatch and hoppingicon,