Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Hearthstone - Pick up your cards and throw down the gauntlet!
StickerSDK.Mojitok.com - In-app store of animated emojis, GIFs, and stickers with personal curations for 10x engagement and revenue - as seen on Samsung Galaxy.
Magic: The Gathering - The classic card-trading strategy game brought to the PC.
Sticker.Place API - Get stickers for your app
Cockatrice - Cockatrice is an open-source, multiplatform program for playing tabletop card games over a network.