title: Update Android application without asking the user
body: <p>I am building an android application and want to know if there is a way to update this application automatically without requesting the user's permission for this...</p>
  
  <p>This application will run as a stand alone app in a dedicated tablet running android and one of the desired features is to be able to update this app automatically from the server that the app connects to...</p>
  
  <p>Is there any way to do this ???</p>
  
  <p>Thanks a lot...</p>