Vmos -

Ignore the 2019 reviews about it being malware. Modern versions are clean, but always download from the official website or a trusted store.

Imagine running a rooted Android 7.1 (or 5.1/9.0) inside your current Android phone. No, not an emulator on a PC—an actual Android ROM that lives as an app. You can switch it on and off with a single tap. That’s VMOS.

VMOS (Virtual Machine OS)

Your Android, Inception Style: The VMOS Review