Remove inaccurate statement that recommends remaining wih IAB v2 if you uses...

asynchronous and uses service messages sent as broadcast intents, so

it is more complicated than Version 3. </p>

<p>Version 2 supports both unmanaged and managed products, as well as supports

subscriptions, where Version 3 does not yet offer support for subscriptions. If

you want to sell subscriptions in your app, you should implement In-app Billing

Version 2, rather than Version 3. </p>

<p>If you do not need to sell subscriptions, you

should implement In-app Billing Version 3 instead.</p>

<h2 id="billing-types">Product Types</h2>

<p>In-app Billing Version supports three different product types

  <li>In-app billing can be implemented only in applications that you publish through Google

  Play.</li>

  <li>You must have a Google Wallet Merchant account to use Google Play In-app Billing.</li>

  <li>In-app billing requires version 2.3.4 (or higher) of the Android Market application.

  To support subscriptions, version 3.5 or higher of the Google Play app is required. On devices

  running Android 3.0, version 5.0.12 (or higher) of the MyApps application is required.</li>

  <li>An application can use in-app billing only if the device is running Android 1.6 (API level 4)

  or higher.</li>

  <li>To support subscriptions, version 3.5 or higher of the Google Play app is required. </li>

  <li>In-app Billing requires Android 1.6 (API level 4) or higher.</li>

  <li>You can use in-app billing to sell only digital content. You cannot use in-app billing to sell

  physical goods, personal services, or anything that requires physical delivery.</li>

  <li>Google Play does not provide any form of content delivery. You are responsible for