A map can get you close to a café. Once you are sitting down, there are other things to look at. In this photograph, it is a cat curled up on an orange bench. I like a travel plan that leaves room for that sort of detail. But putting the phone away is not very relaxing if you are unsure how you will get back. Before a walk in an unfamiliar part of Tokyo, I would prepare a small return plan, not another list of places to visit.
This note brings together recent traveler questions about apps, mobile connections and finding the way around. The photograph is from the site's existing collection; it does not document a phone problem or a walk described here.
Keep the way back handy. Let the afternoon have a little room.
Start with the address you will return to
Save your accommodation's name and full address, preferably in Japanese as well as the language you read. Use the accommodation's own confirmation or website, and check the branch: a familiar hotel name is not enough if there are several locations. Keep a copy that opens on your device without a connection, rather than only a link to a booking page.
A small paper copy is worth considering too. A saved image still depends on a working phone. You do not need your room number, booking reference or passport details on a card you might show someone for directions. Just enough to identify the building you mean.
Save a useful view, not a collection of pins
For the walk from the station, keep a map view with readable street names, the destination and the relevant exit if one is specified in the venue's directions. A close-up of the final building without the streets around it may not tell you which way to turn. Check that you can actually read the saved image on your phone.
A screenshot is a reference, not live navigation. It cannot tell you that an entrance has closed or a train is delayed. Google Maps also makes an important distinction: its offline maps do not provide walking, cycling or public-transport directions. Its official help page is linked below; check the instructions for your device before relying on a download.
Let the screen wait while you are walking
When you need to check the route, stop somewhere that leaves the pavement and entrances clear. Take a moment to match the map with the street in front of you, then continue. You do not have to keep moving while solving the next turn.
The point is not to prove that you can travel without technology. Use translation or navigation when it helps. I enjoy taking time over an izakaya menu and thinking about which dish to have next; I would rather leave room for that kind of choice than fill every pause with a search for the next stop. Looking up from the screen is an option, not another rule to perform.
Make a connection problem a smaller problem
If mobile data stops working, first find a suitable place to pause. Your saved address and route reference give you something to work from while you decide what to do next. They do not replace current transport information. Check the latest service information with the operator or station staff before relying on an onward journey.
If you ask for directions, show the destination rather than handing over an unlocked phone full of personal information. Keep the question specific and let people get back to what they were doing. A shopkeeper may be busy serving customers; finding a staffed station information point may be a better next step than asking someone to troubleshoot an app.
Before leaving for your next walk, open your saved accommodation address and route reference with mobile data and Wi-Fi switched off briefly. Check that both are legible, then reconnect. That is enough preparation for this small task. The afternoon itself does not need to become a checklist.
Further reading: Google Maps Help: downloading areas and the limits of offline navigation