Responsive web design with pages and images resized and aligned properly for mobile view will not be complete if the images downloaded are the full desktop version. For better design, do consider using element. Read more on the picture element here.
Popular Android forum, XDA Developers, wrote a thread explaining some of the errors encountered on Google Play. Yes, they may get annoying and may caused one to be helpless. With the feedback from many fellow Android users, the forum thread serves to provide with an always updated knowledgebase.