After an individual Mii has reached level 20, you'll unlock the option to give them any hats or clothing already in your collection. This is feature is available only for awarding Miis when leveling up.
Scan the following QR codes to unlock the corresponding celebrity as an inhabitant.
Every Child needs a Album! So when they grow up, the Parents give their child's album to you.
After a couple has married and produced a child, you'll unlock an option to take children's and family portraits in the Photo Studio.
Have a Mii reach level 20 to give them any item of clothing in your collection.
Have at least two Miis learn the same song style.