After you turn on "App cloner" for an app, a clone that runs independently of the app will be added to the Home screen. "App cloner" does not work on third-party launchers. You can clone up to 8 apps at the same time.
Setting method:
realme UI 1.0 & above versions: Settings > Apps/ App management > App cloner > Select the app that you want to clone
realme UI R & Go & T & S & U Edition: Not supported
Apps that can be cloned: WhatsApp, Messenger, LINE, Facebook, IMO, Instagram, Skype, Telegram, Viber, Zalo, Wechat, Twitter
Please wait for realme to provide more apps that can support App cloner.