Awesome new features: Samsung DeX will be back with a vengeance!

Let's take a look at these new features one by one:
Dual Mode

Up until now, when you plug your smartphone in the DeX Station or the DeX Pad, its display goes dim and all of your content is displayed on your external monitor. In essence, the smartphone turns into your tiny, tiny PC.
S Pen support

OK, this is a big deal. The DeX Pad already has the ability to transform your phone into a touchpad for your mouse cursor. That way, if you happen to not have a mouse laying around, you'd still be able to get the PC experience with a makeshift mousepad.
With the release of the Note 9, the DeX platform will be updated to also work with the S Pen. You will have the choice of sliding that stylus across the phone's display to control the mouse cursor, but also use it to draw. The Note turns into a miniature drawing tablet, while you can look at the "big picture" on your monitor.
Samsung DeX on the Galaxy Tab S4

OK, this is the second time we hear that the Tab S4 will get DeX support. But this time around, the leak mentions something very, very interesting.
Allegedly, the Samsung Galaxy Tab S4 will be able to enter DeX mode without the need of an external monitor. In other words, you'd be able to enjoy a desktop experience straight on the tablet screen without the need of lugging a large monitor around. How would that work? Will you still need the DeX Pad or will you be able to just connect your keyboard and mouse straight to the tablet? We can't say, but this leak has us excited and we hope it's true.

Otherwise, if you do have a main monitor, you will be able to use the Tab S4 as a secondary screen in Dual Mode, as outlined above.
Linux On DeX is a new platform, which will allow us to run full Linux distributions in a desktop environment. This may not mean much to the casual user but will definitely draw the attention of the poweruser crowd!
Get Linux on that thing!
Linux On DeX is a new platform, which will allow us to run full Linux distributions in a desktop environment. This may not mean much to the casual user but will definitely draw the attention of the poweruser crowd!
source: AndroidGalaxys