Podcasts are a very popular format for mobile app users. They can fill many needs and are a great way to diversify your content types. To give you some inspiration, here are two examples of how to use the Podcasts section.
Podcasts for a news app
The local newspaper River Daily has, in addition to its print version, a web radio. In this case, the Podcasts section is used to make available at any time some of the programs broadcast on the web radio.