A common misconception I've seen with Googlebooks is that the Quick Insert and Google logo keys are new. They're not, as they first debuted a couple of years ago on some Chromebooks. But there is something new for Googlebooks that's ripped straight from Android phones circa 2014.
On every Googlebook keyboard, the F1, F2, and F3 keys are the old triangle, circle, and square navigation icons that first debuted on Android 5.0 Lollipop. These were the back, home, and app switcher buttons long before everything went to gesture-based navigation, and they're still built into phones on Android 17 as an alternative. On Googlebook OS, these keys do w …