I’ve noticed that having an Android in my pocket makes me more likely to take public transit around town as opposed to driving. Yeah, it takes a little longer, but it’s not downtime; I can be catching up on email and admin work and so on. A huge amount of most people’s workload is manageable given anything with a decent email client and browser.
For now, I can’t really use the phone for anything creative: Writing, or coding, or photography. I wonder when and if that might change?