Oppo Releases AOSP-based Project Spectrum For Find 7

Oppo has released the first public beta of its new ROM, named Project Spectrum. The ROM closely follows along AOSP with a few modifications taken from Oppo's previous ROM, ColorOS. The ROM is still based on Android 5.1.1 Lollipop, but includes features like ColorOS's camera app, MaxxAudio and screen off gestures.

source: xdadevelopers