Tip 2: In order to learn how to "double" jump, keep moving left until you hit the screen where you discover you need to "double jump". Keep moving left until you can't and fall down and move left and then right to bump into the 3 green bouncy creatures. This will give you the ability to "double" jump ability.
Tip 1: In order to learn how to jump, after hitting the sign that tells your character that she needs to learn how to jump, go back to the screen where the bunnies are bouncing around to get that jumping ability.