Scary Halloween. Boo! Publisher: Muhammad Siddiqui Genre: Stickers Released: 9 Oct, 2016 Size: 2.9 MB Price: $0.99 Click here to request a review of this app App Store Info Description Add a little scary boo to your chat this Halloween with expressive stickers. we call our Halloween cat 'Buffy', she is very lively, expressive and yea sometimes a bit scary but you can't help yourself to love it. Screenshots Screenshot 1 of 6