Android's physical navigation buttons are back on Googlebooks, but not the way you think

Google has brought the classic Android navigation buttons to Googlebook keyboards, placing the familiar triangle, circle, and square icons on the F1, F2, and F3 keys of every Googlebook. The buttons, which first appeared on Android 5.0 Lollipop, serve as the back, home, and app switcher controls. On Googlebook OS, the left-pointing triangle returns users to the previous screen, the circle minimizes open apps to go home, and the square tiles open apps in a layout similar to Mission Control on macOS or Task View on Windows.

This marks a return of sorts for the physical navigation keys, which predate the gesture-based navigation that later became standard on Android phones. According to the source article, the buttons remain built into phones on Android 17 as an alternative option. The publication notes that these physical keys are not new to Android, but their appearance on Googlebooks is a fresh development for the laptop platform.

The source article also addresses a common misconception about Googlebook keyboards. The Quick Insert key and the Google logo key are sometimes mistaken for new additions, but they actually debuted a couple of years ago on some Chromebooks. The navigation buttons, by contrast, are genuinely new for Googlebooks and were described as being ripped straight from Android phones circa 2014.

The practical value of the buttons is clearest when running Android apps on a Googlebook. The source article states that the back button can be necessary when using Android apps that are not well optimized for a desktop interface or for mouse controls. Having the layout matched across all Googlebooks was also described as useful.

One limitation noted in the source article involves the home button. A second press of the home button does not bring all apps back to their previous positions, a function that instead relies on a different keyboard shortcut tied to a feature called desktop peeking.

The source article frames the buttons as both a nod to Android's past and a practical fallback. For users who remember the pre-gesture era of Android navigation, the icons carry a sense of familiarity. The article also presents them as a reminder that a physical fallback can be helpful when Android software behaves in unexpected ways on a desktop form factor.

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