Boo is the world's cutest dog Publisher: PicoCandy Genre: Stickers Released: 13 Sep, 2016 Size: 6.0 MB Price: $1.99 Click here to request a review of this app App Store Info Description Boo is the world's cutest dog with over 17 million fans on Facebook. Have fun chatting with Boo stickers! Search for other awesome stickers presented by PicoCandy! Screenshots Screenshot 1 of 4