You can install the new Xbox Full screen experience mode for Windows on handhelds but whether it will work is another question entirely

M icrosoft's "Full screen experience" mode for handheld gaming PCs shouldn't officially be usable yet, but it turns out you can use it already if you're happy using a Preview version of Windows and ...
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 ...
AOL

Set Up Mac Split Screen View to See Multiple Windows at Once

If you have at least 10 browser tabs open right now, this Mac hack is for you. Mac split screen view lets you keep multiple windows running simultaneously. With this setting, you don't have to waste ...

iOS 26 has a new full-screen UI when you take a screenshot on your iPhone, here’s how to change it back

The new iOS 26 software update for iPhone introduces a new full-screen preview experience when taking a screenshot. This ...