title: Is there a way to tell what technology was used to build an Android app?
body: <p>I have an Android App I downloaded and installed, I have also extracted the APK,</p>
  
  <p>Is there some way from the apk file to tell what programming language was used to write the program?</p>
  
  <p>Are there any tools are available to help with this?</p>
  
  <p>What languages can be determined and which ones cannot?</p>