The latest version of Google Keep for iOS, released last night, includes an Apple Watch app for the first time. This allows the first Google app to return to the clock since Google Maps was scrubbed in 2017.
The simple app has a main screen that displays the user's last 1
This original version is basic, but it is an unexpected addition, since Google has historically not supported Watch outside its Maps app. It's also important given that Apple's own notebook, Notes, doesn't work with Apple Watch. While programs like Bear help fill the void, the widespread use of Google's products means that many can find this useful.