Katie is a travelling Kitten who would like you to take her to a new town. She will appear randomly if you’ve connected to the internet or three days after one of your friends bring her to your town.
When Katie is in your town talk to her and she’ll follow you so that you can take her to a new town. You’ll have to visit one of your friends’ towns with Katie in tow and she’ll send you a letter the next day.
The letter has an exclusive item that you can only get from Katie: