OsmAnd becomes very sluggish when viewing missing tiles from gpx export

[beautiful-orca]

This problem is mentioned in the documentation already, but no other FOSS solution for offline tile hunting is mentioned

I suggest to add OrganicMaps which can display those missing tile exports (gpx) without issues on a offline map.

OrganicMaps can also record tracks, so it might be mentioned on other pages of the documentation too.