Image: Samsung Many folks don’t know that you can use your Samsung Galaxy phone or tablet as a desktop experience using Samsung DeX. If you’re completely new to the idea of DeX, the “Desktop eXperience” runs from your Galaxy device and lets you use your phone or tablet with a monitor, mouse, and keyboard. Samsung’s OneUI Android software adapts to become something more akin to Windows or macOS, so you can access your files and apps on a bigger screen. Advertisement Samsung has added a bunch of features to DeX since it launched in 2017. Here’s everything that you can now do with Samsung DeX, and how to get started.