This app was mentioned in 11 comments, with an average of 1.18 upvotes
Crispy dark is currently one of my favorite icon packs.
Rovo is a new icon pack by the same dev who makes Devo. The design is a mix between Devo and one of his other icon packs
The iconpacks used on your screenshot are:
This is the icon pack mentioned in the video.
https://play.google.com/store/apps/details?id=com.crispydark.icons.flatedge.iconpack
Crispy Dark. It's a nice mix of dark with a little color.
https://play.google.com/store/apps/details?id=com.crispydark.icons.flatedge.iconpack
Wallpaper: https://i.imgur.com/CD08kjB.png
Icon Pack:
https://play.google.com/store/apps/details?id=com.crispydark.icons.flatedge.iconpack
Widget is a standard one in KWGT
Here is the link to the app
https://play.google.com/store/apps/details?id=org.kustom.widget