How to enable the debug Mode?
On the Choose Slot screen, First HIghlight a saving slot then rapidly press UP-UP-DOWN-DOWN-LEFT-RIGHT-LEFT-RIGHT-B-A.
A validation sound should play if the manipulation was successful.

How to Unlock or lock some levels?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
On any Choose Level Screen, press the L button to reduce the number of unlocked levels by 1, and press the R button to increase it.

How to unlock all of the workshop activites?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
On the workshop map screen, press the R button.

How to navigate between the workshop map and the house map?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
On the workshop map screen, press the L button to switch to the house map.
On the house map screen, press the L button to switch to the workshop map.

How to unlock all the moves?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
Use the L button in the garden.

How to unlock all backgrounds in the Photostudio ?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
Use the L button in the photostudio.

How to unlock items in the Store ?
[ONLY WORKS WHEN DEBUG MODE IS ACTIVATED]
Use the L button in the dressing-room.