New Windows 11 update lets you try Xbox Ally fullscreen mode on other handhelds

You can now try the new fullscreen handheld mode on a Windows 11 handheld gaming PC by installing update 25H2, available to ...
Android Authority

Samsung DeX in One UI 8 has a hidden 'Immersive' mode for true full screen

Samsung’s new DeX in One UI 8 has a hidden “Immersive” mode that enables a true full screen experience, hiding the app header and taskbar. To enable it, you must first maximize an app, then long-press ...