text: menu_name = "FFS test app"
  
  from ui import Printer, format_for_screen as ffs
  
  from subprocess import check_output
  
  callback = None
  #Some globals for us
  i = None
  o = None
  
  def init_app(input, output):
      global callback, i, o
      i = input; o = output
      lsusb_output = check_output(['lsusb'])
      callback = lambda: Printer(ffs(lsusb_output, o.cols), i, o, sleep_time=5, skippable=True)
  
  