Cupcake Digital Inc. has picked up Zuuka Inc., which developed the IStoryTime library, a mobile application.

The IStoryTime library publishes children's media, including apps based on "Cloudy with a Chance of Meatballs," "Barney" and "Rise of the Guardians" for mobile devices.  Terms of the deal were not disclosed.

New York-based Cupcake develops apps for children based on characters from "VeggieTales," "Yo Gabba Gabba," "Fraggle Rock" and other stories. The deal gives Cupcake more than 250 downloadable titles.

Recent app deals include Yahoo Inc.'s (Nasdaq: YHOO) purchase of Qwiki Inc., an application that allows users to make videos, and Facebook Inc.'s (Nasdaq: FB) purchase of Mobile Technologies, which developed mobile application Jibbigo.