The Adventure Time - Soundboard & Photo stickers is the first Adventure Time app. It is available for free in the iTunes App Store in the United States.
The app features a sound board and a custom photo feature. The soundboard features sound clips from Finn, Jake, Lumpy Space Princess, Princess Bubblegum and Ice King, like in Sound Castle and Sound Castle 2.
The Sticker Time feature allows one to take a photo from one's iPhone gallery and apply a number of stickers, such as Ice King's beard, Finn kicking, and gold coins.
The app is iOS only. Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.1 or later.