After years of rumors and at least one canceled attempt, Google is finally releasing a foldable smartphone. Samsung has been in the foldables business for four years now, and with a ton of Chinese OEMs following in Samsung's footsteps, you could be forgiven for thinking that the Pixel Fold would simply copy what Samsung is doing. But Google is entering the foldable world with a vision of its own, and it's one I really like. This is the foldable I have long wished for: a device that's a phone when folded up and a tablet when unfolded. The usual Android…