Just like the other users said, Virtual RAM operates as an additional RAM for better app performance. This is how Virtual RAM works: if your device has 4GB of physical RAM, an additional 2GB of Virtual RAM will make your overall RAM at 6GB.
As the name suggests, "Virtual" RAM isn't present in the physical RAM of your smartphone but your internal storage instead. Virtual RAM helps you in running different apps altogether, ensuring that you can go back from one app to another as smoothly as possible. This will be beneficial for your gaming and productivity apps that need more RAM to work smoothly.
