You've got a new pet Boo, The World's Cutest Dog! Play with Boo in the park and cuddle your new fuzzy friend to sleep. Take awesome selfies with Boo and upload them to your BOO-stagram! Boo, The World's Cutest Dog, is here, and he's ready to hang out with you, his human! He needs lots of love and attention, and what's more fun than loving this cute little fuzzball?