Amazon App Store for Android Tablets
Google's official Android Market, Play Store, is a great place to find quality Nexus 7 software, but the true app connoisseur always appreciates new options. Amazon's Appstore is one of the best Android Market alternative, if not the best. It provides a number of unique features and offers, including a new, normally-paid app for free every day, and a cool Test Drive feature for trying out new software. You need to tweak a few settings to download the app store, but Amazon details the process on its website, and it's worth the hassle.
Download the Amazon App Store for Android for free from Amazon.com