Despite good initial hardware, the Googlebook OS still needs a lot of work.

Nathan Ingraham for Engadget

It's somehow been almost two and a half years since Google said it would migrate its laptop operating system from ChromeOS to Android , and the results of that effort are finally out in the wild. Google and its hardware partners officially launched Googlebooks earlier this month with the promise of tight integration between your Android phone and this new, Android-powered laptop OS, plenty of AI-powered tricks and premium hardware.

As someone who has used and tested ChromeOS extensively over the last decade (!), I've been wondering what exactly would differentiate the Googlebook OS from ChromeOS. Google's initial Googlebook introduction in May didn't give us a ton of information, but a big demo event and several weeks of testing has given me a better idea of what the company is shooting for.…