They provide the tool to do it: https://docs.osmand.net/en/main@latest/development/map-creation/create-offline-maps-yourself https://docs.osmand.net/en/main@lat

They provide the tool to do it: https://docs.osmand.net/en/main@latest/development/map-creation/create-offline-maps-yourself https://docs.osmand.net/en/main@latest/development/map-creat... There's a brief section there on the configuration files. The ones used for the maps they published are at https://github.com/osmandapp/OsmAnd-resources/tree/master/obf_creation https://github.com/osmandapp/OsmAnd-resources/tree/master/ob... (I'm not sure they are the exact files used for the published maps, they are at least close) You'd then have to edit the rendering styles and such to take advantage of the new data.