Here's how you can download the Pet Shop Story app free for your iPad, iPhone, iPad mini or iPod Touch.
1. Go to the Pet Shop Story app preview page in iTunes (or tap the link on your iOS device to install the app directly).
2. Click the View in iTunes button.
3. Click the Free button to download the app.
4. Sync your iPad, iPhone, iPod Touch or iPad mini with iTunes to install the app.
Here's a description and screenshot:
"Create a Pet Shop like no other! Build a fun place for all your favorite lovable pets to share with your friends!
Mix and match your pets to make your own designer breeds.
Pug + Chihuahua = Chug!
Labrador + Poodle = Labradoodle!
Bengal + Short Hair = Toyger!"