sparkalina, the Prado is only free on Sunday afternoons. Check their website for specifics. But expect long lines. It's not worth it, in my opinion.
esperanza, I checked with the message board software and, to date, there's no "app" for mobile users. Version 8 is coming out soon so maybe it will include that when I upgrade. Sorry, but I don't write the software - nor would I know where to start to create an "app".
Saludos, MadridMan
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