Compared to the iPhone OS and especially to Microsoft Windows Phone, Android has always come across to me like an old house that’s been updated by a dozen different owners and a hundred different contractors over a period of decades. It might have the same basic list of features and conveniences as the others, but it doesn’t appear to have any of the elegance, efficiency, and clarity that comes when something massive and intricate is built all at once with just one pair of eyes overseeing everything.