memreas is a media sharing platform with a media marketplace based on app store percentage split; memreas provides an instant copyright also (utility patent application in process).

Amazon just announced a highly similar model and I have a working product with differentiated features.

Android (live): https://play.google.com/store/apps/details?id=com.memreas&hl=en
Web: https://www.memreas.com
iOS (live): see iTunes and App Store