diff --git a/pocket_friends/_development/_dev.py b/pocket_friends/_development/_dev.py
index 72b83af..538f0bb 100644
--- a/pocket_friends/_development/_dev.py
+++ b/pocket_friends/_development/_dev.py
@@ -11,13 +11,20 @@ def reboot_system():
 def shutdown_system():
     os.system('sudo shutdown now')
 
+
 def update():
     pygame.quit()
     os.system('bash ~/update.sh')
     sys.exit(1)
 
+
 def restart_app():
     sys.exit(1)
 
+
 def show_black():
-    return 'show_black'
\ No newline at end of file
+    return 'show_black'
+
+
+def quit():
+    sys.exit(0)
diff --git a/pocket_friends/_development/surfaces/_dev_menu.py b/pocket_friends/_development/surfaces/_dev_menu.py
index 768c1f7..8140da2 100644
--- a/pocket_friends/_development/surfaces/_dev_menu.py
+++ b/pocket_friends/_development/surfaces/_dev_menu.py
@@ -8,7 +8,8 @@ dev_functions = {
     'Shutdown': 'shutdown_system',
     'Update': 'update',
     'Re-open App': 'restart_app',
-    'Black screen': 'show_black'
+    'Black screen': 'show_black',
+    '!!! Close App': 'quit'
 }