You can already do 3, in player mode tap kebab menu (three dots) > Share
You can kind of do 5. YouTube channels are readable by RSS readers, so you can go to New Podcast > RSS and paste in the channel URL. I don't think you can do this with Twitch and it may be very difficult, depending on how the Twitch API works.
You can do 6, New Podcast > Virtual and find the folder with your content. The same goes for 8.
You can already do 3, in player mode tap kebab menu (three dots) > Share
You can kind of do 5. YouTube channels are readable by RSS readers, so you can go to New Podcast > RSS and paste in the channel URL. I don't think you can do this with Twitch and it may be very difficult, depending on how the Twitch API works.
You can do 6, New Podcast > Virtual and find the folder with your content. The same goes for 8.