In the most general sense, an emulator is a system that emulates another system within or alongside your device. Simply put, an Android emulator acts like a phone or tablet and you can run it on your PC. Here are the best Android emulators for gaming.For gaming especially fast-paced games touchscreen controls just don’t cut it. The more power to you if you can clean house without buttons but I refuse to learn. Plus, without rooting your device, there aren’t a lot of functional options to adjust settings in your device to tweak performance.