I am in charge of developing a website which should be able to show statistics from both Apple\'s app store and Google Play Store to clients, so they can easily see what\'s
Why not use App Annie, AppFigures (and similar) API's and let them take care of scraping/interfacing with Google Play and App Store?
http://support.appannie.com/categories/20082753-Analytics-API
http://docs.appfigures.com/