I'm building my first Android Google Maps app and I have some questions about how to add real time data. I want the marker of every point changed the color or the icon when the properties of the geojson changes. From document web site of Google Maps utilities (Google Maps Android GeoJSON Utility) I'm not sure this is covered. I read a lot about fireBase but I can't export a GeoJSON data, I can export only JSON data. Any ideas how can I have real-time changed properties in some points?

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