Skip slow file transfers over bluetooth or Google Play using the companion phone app or NavExplorer
Connect to Spotify to fill in missing album and artist images
Finely seek to specific areas and arrange song queue from your watch.
Unfortunately, the mac Finder only has read access to the FTP server. You can use the command line or download a third party app such as CyberDuck to connect.
Nav music currently doesn't support this, but you can use another app NavExplorer to do this.
Long press on a song for more options and select "Add to playlist" or transfer a playlist file such as an m3u.
If it still does not transfer, feel free to contact me with your order number and I will send you the installer and instructions to manually install the app on your watch.
You may also purchase an APK for the app directly on the support page.
You can email me at firstname.lastname@example.org. I'd love to hear from you!