CoverScreen OS is more than a cover launcher it simulates a secondary OS on your Samsung Galaxy Z Flip 3 & Z Flip 4's cover screen with the following features:

* Cover Launcher / Any app Launcher/Drawer
* Caller ID Screen for VoIP Apps (WhatsApp Telegram Line Snapchat & several more Apps support in progress.)
* Support for all third party Apps homescreen widgets
* Quick Toggles
* Navigation gestures (back and home)
* Powerful Media screen - multiple sessions scrub through the track and additional controls that are not available in Samsung's Stock OS for cover screen
* Notifications with reply options
* Voice/T9/QWERTY full Keyboard support
* Edge Lighting Notifications
* Flex Mode

The navigation system is built such that you can access both CoverScreen OS and Samsung's Stock OS (checkout the tutorial within the App.)

APP LAUNCHER/DRAWER:​

* Launch almost any App on your cover screen with back navigation support and voice keyboard input.
* Launch apps in locked orientation - portrait or landscape.
* Quick search apps by alphabet.
* Sort apps alphabetically - ascending/decending.
* Sort apps by recently used first.

WIDGETS SCREEN:​

* Add almost any widget pixel-perfect aligned for Z Flip's cover screen of any App that you would normally add to your homescreen on the main display.
* Add as many widgets as you want.
* Widgets can be set into one of the two sizes.
* Perform almost all actions on the widgets like clicking on a button to launching its App.

QUICK TOGGLES SCREEN:​

* Bluetooth turn on/off
* Flashlight
* DND mode
* Flex Mode - use cover screen while phone is unfolded (Tap on the Quick Toggle then unfold your phone)
* Caffeinate - keep screen awake
* Create your own customized and powerful Quick Toggle powered by Bixby Routines Tasker and other third party Apps

NOTIFICATIONS SCREEN:​

* Reply to any notification with voice/T9/QWERTY full keyboard.
* Open notification instantly either on cover screen or on main screen.
* Perform additional actions available on each notification.
* Dismiss notifications with swipe right.

MEDIA PLAYBACK SCREEN:​

* Access all media playbacks from all Apps as available on your main screen.
* Scrub through the tracks and additional media controls that are not available in Samsung's Stock OS for cover screen.
* Theme support.

EDGE LIGHTING / ON-SCREEN LED NOTIFICATION INDICATOR:​

* Turns on cover screen and glows the edges of your cover screen just like the Edge Lighting on your main screen.
* You can set a single solid color for all incoming notification or let CSOS apply the App's Icon color.
* If you have multiple notifications from multiple Apps they can combine into a beautiful gradient.
* More colors customizations under development.

FLEX MODE:​

* Use cover screen with access to all CSOS features while the phone is unfolded.
* Keep the phone on your desk or bed in tent-style stand mode.
* Cover screen stays on until you manually disable Flex Mode or fold back your phone.

Sensitive permission requirements:

Notification Access: To read and display notifications on the cover screen. The service doesn't save any notification neither locally nor remotely.

Accessibility Service: The service is exclusively used for interacting with the cover screen of the device which includes and not limited to facilitate system navigations like going 'back' 'home'. The service doesn't collect store any personal data whatsoever.