Well, I just called it like this since the Kuchipatchi takes you here:
At the camera spot you can take a picture, which leads you to this site:
link.channel.or.jp/tamago/travel.php I believe that you can keep a Tamagotchi journal and pictures over there.
The only other area you can visit is the store, which looks like this:
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(I decided to buy the green-fluffy-thing because it looked so cute ^_^)