>>51018189the edge cases you ask about tend to cause either inconsistent or unintuitive results; the short answer is that some rudimentary playlist-sharing affordances are there, but it's absolutely clear that it's not something google designed very well for.
and to be clear (since i stepped away for a bit), I don't mean that this is an edge case in that you have no rightful reason to expect this to work right, but rather that this aspect of using a chromecast has all the feel of being an edge case - poorly defined, not very well implemented, etc...