While digging through Google's documentation about Play Music (I'm trying to find out definitively if clearing the cache of downloaded songs will delete all of my "kept" songs, too, or just the ones Google has automatically cached...anyone know?), I saw references to an as-yet unreleased iOS app.

We've known that it would make it to iOS someday since May, and lately rumors have been ramping up that the release could be coming very soon. This is just even more indication of that