NEW YORK — In 2014, the preschool cable network Nick Jr. plans to introduce a television show featuring a little boy, his miniature pet dragon, and a magic stick.

But the show, ‘‘Wallykazam,’’ will not be new to users of smartphones and tablets. Educational applications built around it will start appearing in app stores late next year, making ‘‘Wallykazam’’ Nickelodeon’s first major show to be introduced as a mobile product first, said Steve Youngwood, Nickelodeon’s general manager for digital media.