This version is typically tweaked for faster app loading and improved mouse responsiveness, essential for gaming. When to Use Phoenix OS 360 (Android 7.1)
That old Asus Eee PC or Acer Aspire One that can barely run Windows 10 becomes a snappy media consumption and light productivity machine with Phoenix OS.
The "Android 7.1" in the title refers to the base operating system. Android 7.1 Nougat was a significant release, introducing features like multi-window support, direct reply notifications, and improved doze mode for better battery life.
(often just called Phoenix OS) is an Android-x86-based operating system designed to bring a desktop-like experience to Android. The version you mentioned is based on Android 7.1 Nougat (API 25).