I have installed it. I am glad we finally have some roms for our Chuwi!
-Screen mirroring does not work for me with my Chromecast 2, it simply disconnects
-[minor] When I uninstall an app the screen stays empty
-[minor] There are some texts in german.
-My main concern is Standby battery. Even without Wifi, using greenfy, DS battery... it drains about 8% per hour. Definitively worse than stock
With the battery issue, it is not usable for me, but I am confident that next versions could be better than Stock