We've developed an easy-to-use online media scheduler at rsmediaserver.com. You will have access to this dashboard where you can manage and schedule pre-roll audio for your app. When your app starts, it will play this pre-roll before the stream starts. You can also show a short mp4 video before the stream starts. Optionally, you can display a 300x50 banner at the top of your app and manage that through your own ad banner server, admob or use our free Revive Ad Server.