Option to delete only unstarred recordings that have been played at least once

From Audrey Bergeron-Morin on 2015/10/27 01:39:55 +0000

Given how fast sleep noise recordings accumulate, it would be very useful if I could delete automatically only the ones that I haven’t starred but that I’ve already listened to.

Copied from original feature request: http://urbandroid.uservoice.com/forums/264867-sleep-as-android/suggestions/10402611-option-to-delete-only-unstarred-recordings-that-ha