Simple Music Widget for Zooper for Android
Tested with: Google Play Music, Pandora, Pocket Casts, and Spotify. May work with apps that are compatible with the Media Utilities app.
Requirements
-Zooper Widget Pro (https://play.google.com/store/apps/details?id=org.zooper.zwpro)
-Media Utilities (https://play.google.com/store/apps/details?id=com.batescorp.notificationmediacontrols.alpha)
Recommended settings: Under 'application integration', make sure Zooper is selected. Also, under 'experimental features', make sure the 'Attempt direct control', 'Make coverart available', and 'Send Song Progress' options are all selected.