What is the fine-grained topic of the following text: They started producing branded apps for Apple, Google Play and Amazon on Jellyfish CoNNect’s MagazineCloner platform in 2013 and now use it for Better Gardens & Homes Australia, New Idea, WHO, Prevention, Bikes Australia, FAMOUS and Bride To Be. Only return the topic.
Production of branded apps for magazines on Jellyfish CoNNect’s MagazineCloner platform