This is also the killer feature of a smartphone for me as well. As someone who exclusively uses public transport, I feel my life would be so much harder without

This is also the killer feature of a smartphone for me as well. As someone who exclusively uses public transport, I feel my life would be so much harder without the route planning feature of Google maps. Just activate Google assistant, "Bus route to X arrive by Y". It can plan a route with connections that are from different public transport departments, so it is not a trivial amount of work to do manually. I've already taken some of the steps outlined in this article to normalize my smartphone use. I might be biased because I have fought other difficult addictions like smoking, but smartphone addiction does not seem especially difficult to manage to me. The crucial step is realizing it's existence because it's so ubiquitous it seems normal and benign.