1 Sleepy Bomb
Froggie Stick (2nd visit)
In the conversation with the tadpoles, they will require you to jump, so make sure to mash B as well. Jump over to Frogfucius' sanctuary, and mash through the text. You want to choose the 2nd option when you are given the choice. Other than that, you can mash A.
After jumping back across the pond, go up to the shops in the top left.
Talk to the left tadpole:
[CAMERA: Jump onto the stone that triggers the tadpoles, instead of walking onto it]
Go talk to Frogfucius to get the Froggie Stick. After getting it, talk to him again to unlock Star Hill.
(video credit: Mill)