'Hey Google' on Wear OS has been broken for months, but a fix is finally in the works Feb 25, 2021 01:40 EST with 9 comments Wear OS is Google's platform for wearables, and actually only one of the two which supports Google Assistant functionality. The other one being Fitbit, which Google now owns too. While many claim that the firm neglects Wear OS, the platform does receive updates from time to time. However, a new report now claims that the "Hey Google" functionality has been broken on the operating system for several months, with Google only now starting to work on a fix.