title: Is there any open source Augmented Reality sdk for android?
body: <p>I' ve found this question on StackOverflow but the two sdk mentioned looks really old (about 4 and 2 years ago):</p>
  
  <p><a href="https://stackoverflow.com/questions/5702275/where-can-i-find-an-open-source-augmented-reality-framework-for-android">Where can I find an open source augmented reality framework for Android?</a></p>
  
  <p>Do you know if exist some over open source Augmented Reality sdk for Android?</p>
  
  <p>Thanks a lot!</p>