Maps, location services, or JSON testing. Did you know you can download the entire OpenStreetMap PBF data as a single SQLite file? There are tools to convert it, but pre-made SQLite databases of major cities (NYC, London, Tokyo) exist with millions of latitude/longitude points.
I will generate a JSON object representing a "Helpful Feature". This feature is a "SQLite Starter Pack Menu" that appears when the user mentions downloading or finding data. It provides quick links to high-quality sample databases for testing and learning. sqlite data starter packs link