new_contents: import os
  from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice
  
  def get_MainActivity(package_name):
      return package_name + 'MainActivity'
  
  def install_package(package_path, device):
      if device.installPackage(package_path):
          return True
      else:
          return False
  
  def install_packages(device, directory='apk'):
      apks = os.listdir(directory)
      installation_results = []
      for apk in apks:
          package_path = os.getcwd() + '/' + directory + '/' + apk
          print package_path
          result = install_package(package_path, device)
          installation_results.append(result)
      return installation_results
  
  def main():
      timeout = 10000
      device = MonkeyRunner.waitForConnection(timeout)
      directory = 'apk'
      packages = install_packages(device, directory=directory)
      print packages
  
  if __name__=='__main__':
      main()
  
subject: Install packages on android device