I believe that I own this watch and it didn't ask me to sideload an APK. Rather, the watch displayed a QR code that pointed me to an app the Google Play store.

I believe that I own this watch and it didn't ask me to sideload an APK. Rather, the watch displayed a QR code that pointed me to an app the Google Play store. There may be something shady going on but the evidence here is not clear cut.