Castro has found a new home with Bluck Apps, who already has a podcast app on Android. They blog about what’s next:

In the coming weeks and months, we’ll be making some changes under the hood to make the backend more stable and make sure new episodes sync more quickly. Once things are stabilized and the transition is complete, we’ll be turning our attention toward new features, such as syncing across devices.

Because some folks asked about it, I did reach out to Tiny but it didn’t go anywhere, and honestly I’m a little relieved. We have a full plate already with Micro.blog.