This app was mentioned in 3 comments, with an average of 2.33 upvotes
Widgets: https://play.google.com/store/apps/details?id=yau.QNBT.NERV
Hexagon live wallpaper: https://play.google.com/store/apps/details?id=com.pimentoso.android.hexagonbattery.lwp
I used a black and white theme from Huawei Theme store as I thought it would fit the look better
https://play.google.com/store/apps/details?id=yau.QNBT.NERV this looks like the skin in the pic.
There has been, I'm not sure if this still works but you can try: