Emotion Stickers-Emoji Reaction Stickers is a free iPhone app developed by Sam Kwok. With a collection of 240 animated stickers, this program offers users a fun way to express themselves on messaging platforms such as iMessage, WhatsApp, Viber, and Kakaotalk. Users can easily copy stickers to their clipboard and paste them into various applications. Additionally, the app allows for sharing animated stickers with effects on WhatsApp, Viber, and Kakaotalk, while also supporting sharing on iMessage with animated effects. Emotion Stickers-Emoji Reaction Stickers provides a versatile platform for users to share these expressive stickers across a wide range of messaging apps like WeChat, QQ, and Line.