URL's de Interes.
http://www.pcmag.com/article2/0,2817,2393097,00.asp
http://bgr.com/2014/02/14/top-10-android-apps-vs-iphone-part-2/
http://www.elandroidelibre.com/2012/09/30-aplicaciones-android-que-no-pueden-faltar-y-140-imprescindibles.html