We have witnessed a significant surge in the development of mobile applications. Moving on, now that we know what exactly this tool is for, let’s see how it helps with testing the applications. For instance, you can easily make the most of the games such as PUBG or Pokemon Go on your PC without having them installed. It is a program that runs on a computer system by emulating the architecture of the guest’s device. Developers design emulator to help the users or developers who want to use android without going through the hassle of installation. Well, to begin with, an emulator, by definition, is a tool that imitates the Android operating system on one’s desktop computer. Before we move on, let’s first get a firm grip on an “emulator”.