code: public boolean detectTierTablet()
     {
        if ((this.initCompleted == true) ||
                 (this.isTierTablet == true))
           return this.isTierTablet;
  
        if (detectIpad()
                 || detectAndroidTablet()
                 || detectBlackBerryTablet()
                 || detectWebOSTablet()) {
           return true;
        }
        return false;
     }
docs: The quick way to detect for a tier of devices. This method detects for the new generation of HTML 5 capable,
  larger screen tablets. Includes iPad, Android (e.g., Xoom), BB Playbook, WebOS, etc.
  
  @return detection of any device in the Tablet Tier