You move the hammer with the button, and that's all there is. If you wait for 3 seconds on the hammer, you will be able to jump Great mysteries and a wonderful reward await the master hikers who reach the top of the mountain.

Climb up an enormous mountain with nothing but a hammer and a pot.
Lose all your progress, over and over.
Feel new types of frustration you didn't know you were capable of.
Magical reward awaits hikers who reach the top.