The stimulating function of the emulator that bridges the gap amidst the discrepancies of various devices and OS are even capable of upgrading the older versions of some apps by increasing the resolution and framerate once accessed over a larger screen space.
The emulators are prominently used for streaming video games over PC and running test drives by developers for the apps. The small screen of mobile phones reduces access to various features or limits the interface availability. Emulators are used in order to get access over the larger and broader screen for both convenience and a seamlessly better experience.