Hi
I think you can share it as an s note file and email/gmail etc that (save the note, reopen it then menu button then share via). The recipient would need instructions to listen to it though... The .snb file can be renamed to a .zip file and then extracted with any zip software, the sound file within has an .amr extension which can be played by various common apps (ES media player (within ES explorer), stock Music Player, Google Play music etc)
Roger