When you are in your shop(s) and your helping customersif a princess comes in it indicates that your shop is going toget bigger. Every time you see her, your shop will most likelyto get bigger unless it has reached its peak of four upgrades.
Enter one of the following codes to obtain the corresponding item.
Upgrade the following shops twice to unlock the bowling alley/sushi bowl and the musical clinic: the clinic, sushi bowl, bowling alley and concert hall.
When you get all your stores to the fourth level, theprince will do something that includes the princess.
Open the music clinic and the sushi bowl. When the princess comes in them (even if your tama shop is the smallest), she makes it a royal shop immediately.
Chosse "CAare" from the main menu, then touch the "Secret" taband select "Codes" . Enter any of the following codes: