title: Android Back Key Issue
body: <p>I'm developing a game via Andengine for Android. I have big problem. When I open my game first time, it's opening well. And when I press back key button(which is on device, pyhsical button), the app is closing. But it mustn't be close. And here is the LogCat: </p>
  
  <p><a href="http://s27.postimg.org/3mhwb3j2b/Capture.png" rel="nofollow">http://s27.postimg.org/3mhwb3j2b/Capture.png</a></p>
  
  <p>And when I try to open app again, it is opening black blank scene.</p>
  
  <p>PLS help!</p>