[Zubersoft]

You should already be able to send a .msf file over bluetooth on Android and Windows. Apple does not allow file transfers over bluetooth except through Airdrop though, so there isn't much I can do there. I am looking into trying to get a bluetooth LE connection working between Android or Windows and iPadOS, but I've read that people have had varying levels of success with this, so I'm not getting my hopes up. If you want to transfer over WiFi, you could of course just export a setlist to .msf and have other users import that .msf off the cloud. The sync library feature will certainly work for this, and will provide a means to sync over WiFi which does work with the iPad version, but it seems like it might be a little cumbersome. I may need to consider adding another share option, like "Share over WiFi" where one device acts a server and other devices can directly connect to get the file. It's the same basic concept as synchronizing the library with a filter, but would be a little more straightforward/intuitive if you really just want to duplicate a setlist on multiple devices without needing to control what is synchronized. The one limitation with .msf files right now is that it is all or nothing - you can't import a .msf to update existing songs without replacing annotations. I may need to consider adding options for that as well so that .msf files can be used in a simlar manner to the library sync functionality for transferring setlists, individual songs/pieces, etc. 

Mike