You could contribute to the OpenStreetMap project: https://wiki.openstreetmap.or...

		moasda on Feb 20, 2023 \| parent \| context \| favorite \| on: Ask HN: Any hobby ideas using an Android-based sma... You could contribute to the OpenStreetMap project: https://wiki.openstreetmap.org/wiki/How_to_contribute I like to do that when I'm in a new environment and I see missing buildings or missing house numbers, for example.