Alternative apps to MEmu Android Emulator:
BlueStacks App Player is one of the best tool for running your favorite mobile apps/games for free in full screen in your browser using a PC or Mac.
Windroy is Android running with Windows kernel. It does not run by a simulator (such as VirtualBox), it's on real machine, so it's fast. It keeps full Android capabilities. You can run all Android apps, including 3D games.