For Nougat: If you want a black navigation bar, please install this patch after install the theme: https://goo.gl/wsjnmk
For OREO:
-For who want live Clock & Calendar icons -> install this patch then go to Settigns/Display/Home touch button to select Navigation Bar to Black
http://www.mediafire.com/file/x96guvdoa92rizs/V30_G6_Pixel_live_icons_patch.apk/file

-For who want Googe Now work, let install Home app from G7:
https://www.dropbox.com/s/039vdmnrgb4v5ov/Home_G7_for_G6.apk?dl=0

Recommended to use Pixel Launcher 2 to have the best Pixel UI: https://github.com/amirzaidi/Launcher3/releases/download/Pixel-v3.7/Launcher3-aosp-optimized.apk

XDA forum: https://goo.gl/V3sy6F
Feedback to me if you have problem or bugs in my group with screenshots: https://plus.google.com/communities/103545131057372409612
or email me: ngocgiap23@gmail.com