It is not. If they don't cite original authors and copyright, nor offer
source codes for download, they are violating the license.
I'm not sure what exactly Osmand authors can do about it, but I guess
they can request removal of such app and money this app got from users.
V S wrote, on 30.10.2014 00:41:
> Hi,
>
> I don't think it is legal, because we have quite complicated LICENSE and
> usually person should contact to be sure. And at least a link to
> original project should be provided.
>
> Best Regards,
> Victor
>
> Hi, I've seen this app
> <
https://play.google.com/store/apps/details?id=eu.mapof.argentina&hl=es-419>
> in Play Store, it's a copy of OsmAnd with maps from Argentina
> pre-loaded, banners inside, and a name for the app that get first in
> search when you look up for "map argentina".
>
> The only place where it says that is based on OsmAnd it's when you
> click on "Sobre" button ("About" in Spanish). Play Store page
> doesn't say a word about OSM or OsmAnd.
>
> I see you use GPLv3 but I'm not an expert about licenses. I want to
> know if the creators of this app did is legal.
>
> I think it could be a very good way to get people know about OSM and
> OsmAnd.
>
>
>
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