It sounds like you are interested in a player solution that will support RTMP on all platforms. RTMP is broadly compatible with embedded HTML media player solutions for playback in a web browser on a desktop computer. When it comes to various devices (particularly mobile), the RTMP streaming protocol is not supported. Wowza will stream to devices and players that support RTMP, RTSP, Flash/HTTP, Silverlight and Apple/HLS. This means you can use an embedded player to deliver RTMP streams for your website, however, you will need to augment the RTMP playback with an HLS option for iOS and an RTSP player link for Android. For example,
JW Player offers a fallback to HTTP streaming for embedded delivery in Safari on iOS. Take a look at the tutorial on
How to set up video on demand streaming for a basic overview of VOD workflow and how to playback to different protocols.
Streaming FLV files on demand will work to most devices, however, FLV is not compatible with iOS. FLV files will need to be converted into a MOV or MP4 format for delivery to iOS.