title: How can i update my app
body: <p>I have buyed a Android app but Author not respons more.
  App was created to this versions:
  Android 4.0, Android 4.0.3, Android 4.0.4, Android 4.1.x, Android 4.2.x, Android 4.3.x, Android 4.4.x</p>
  
  <p>Now we also have 5x and 6x so my questions are:
  How can i do it so it works with newest version to Android?
  I have full source code for this app.</p>