Has anyone figured out how to distribute an android wear app outside of the play store? How would i get it on f-droid? In development i can load the APK direct

Has anyone figured out how to distribute an android wear app outside of the play store? How would i get it on f-droid? In development i can load the APK directly to the watch, but how will my users do it? Android Studio packs the wear.apk inside of the mobile.apk but your phone won't upload the wear.apk to your watch unless it comes from google. (at least in my experience.