diff --git a/tools/startup/adb_utils.py b/tools/startup/adb_utils.py
old mode 100644
new mode 100755
index b5e2af2..56ad643
--- a/tools/startup/adb_utils.py
+++ b/tools/startup/adb_utils.py
@@ -3,13 +3,15 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-from enum import Enum
+import argparse
 import os
 import subprocess
 import sys
 import threading
 import time
 
+from enum import Enum
+
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 import utils
@@ -351,3 +353,37 @@
     issue_key_event('KEYCODE_MENU', device_id)
     screen_state = get_screen_state(device_id)
   assert screen_state.is_on_and_unlocked(), 'was %s' % screen_state
+
+def parse_options(argv):
+  result = argparse.ArgumentParser(description='Run adb utils.')
+  result.add_argument('--device-id',
+                      help='Device id (e.g., emulator-5554).')
+  result.add_argument('--device-pin',
+                      help='Device pin code (e.g., 1234)')
+  result.add_argument('--ensure-screen-off',
+                      help='Ensure screen off',
+                      action='store_true',
+                      default=False)
+  result.add_argument('--get-screen-state',
+                      help='Get screen state',
+                      action='store_true',
+                      default=False)
+  result.add_argument('--unlock',
+                      help='Unlock device',
+                      action='store_true',
+                      default=False)
+  options, args = result.parse_known_args(argv)
+  return options, args
+
+def main(argv):
+  (options, args) = parse_options(argv)
+  if options.ensure_screen_off:
+    ensure_screen_off(options.device_id)
+  elif options.get_screen_state:
+    print(get_screen_state(options.device_id))
+  elif options.unlock:
+    unlock(options.device_id, options.device_pin)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))