title: Target Platform is disabled in Xamarin Studio?
body: <p>When creating a new project the target platform (Android) is already greyed out so can't proceed. <a href="https://i.stack.imgur.com/lnsvl.png" rel="noreferrer"><img src="https://i.stack.imgur.com/lnsvl.png" alt="Check the image, target platform is disabled"></a></p>
  
  <p>I have already linked SDK and NDK.</p>