Sertifier - Best way to send smart certificates & open badges!
Lark Player - Lark Player – YouTube Music & Free MP3 Top Player is a fine tool developed by Mobiuspace Tech Top Player.
Certopus - Design & Deliver verifiable certificates
Audiomack - The free SoundCloud alternative
Certificates by Graphy - Certificates by Graphy lets you share beautiful custom certificates to all your learners at once.
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.