I like the idea of one core device to use for Mobile and desktop modes, but if you have to carry around a laptop anyway, why not just get a Chromebook that has

I like the idea of one core device to use for Mobile and desktop modes, but if you have to carry around a laptop anyway, why not just get a Chromebook that has full chrome browser and can run Android apps OR really any laptop... I want my mobile device to have this experience when I connect a rollable or foldable screen, bluetooth foldable keyboard and mouse.