docs: update country filtering description

must have a SIM card and be running Android 1.1 or later, and it must be in a

country (as determined by SIM carrier) in which paid apps are available.</p></td>

</tr> <tr>

  <td valign="top">Country / Carrier Targeting</td> <td valign="top"> <p>When you upload your app to

    Google Play, you can select specific countries to target. The app will only

    be visible to the countries (carriers) that you select, as follows:</p>

    <ul><li><p>A device's country is determined based on the carrier, if a carrier is

      available. If no carrier can be determined, Google Play tries to

      determine the country based on IP.</p></li> <li><p>Carrier is determined based on

      the device's SIM (for GSM devices), not the current roaming carrier.</p></li></ul>

  <td valign="top">Country Targeting</td> <td valign="top"> <p>When you upload your app to

    Google Play, you can select the countries in which to distribute your app

    under <strong>Pricing and Distribution</strong>. The app will then

    be available to users in only the countries you select.</p>

</td> </tr> <tr>

  <td valign="top" style="white-space:nowrap;">CPU Architecture (ABI)</td>

  <td valign="top"><p>An application that includes native