BlueStacks App Player is one of the most appreciated Android emulators out there, a fact is proven by its 400+ million user community. Although it was designed for gaming, it’s also being used to test new Android apps before they’re published on Google’s Play Store
It is a legitimate app that's developed and produced by a major company, it's safe to install and use. It's also completely legal
The BlueStacks App Player home screen doesn't replicate any particular version of Android or phone screen, the home screen includes an icon for the Google Play Store as well as a collection of system apps (including Settings). A toolbar on the side of the window gives you access to the programs' various modes and features, as well as lets you adjust the volume, take screenshots, rotate the display, and more.