lared in your app manifest to filter your app from devices 
    that do not meet it's hardware and software feature requirements. </p>

<p style="margin-top:1em;">By specifying the features that your application requires,
you enable Google Play to present your application only to users whose
devices meet the application's feature requirements, rather than presenting it
to all users. </p>

<p>For important information about how
Google Play uses features as the basis for filtering, please read <a
href="#marke