[ddedden]

You have to hit the "pin" icon on the playlist, I believe.

[craigc]

I'm not wondering how to download songs for offline playing. I'm wondering how to toggle/filter so I can only see the offline content.

After reading through https://support.google.com/googleplay/answer/1250232?hl=en-G... I do not think the iOS version has this functionality right now.