View this video and/or follow the instructions below to add a Podcast page to your app.
1) Log into your App Manager and select your app.
2) Click Features from the left-hand-side of the screen (or the middle of the screen).
3) Click the Videos (or whatever your Video page is titled).
4) Click the + icon next to Add Content.
5) Click Podcast.
6) Give the podcast a Name (Gallery Name field), and enter the url to the podcast.
7) Click OK.