This app was mentioned in 10 comments, with an average of 1.90 upvotes
Nova launcher is the best launcher. It also has a notification plugin you'll have to download. I use it with this icon pack. Boost is the best reddit app and I tested them all.
Kiwi but is a little outdated https://play.google.com/store/apps/details?id=com.Fraom.KiwiUI
I'm not 100% sure but maybe these are it. Surprised you couldn't find it.
https://play.google.com/store/apps/details?id=com.Fraom.KiwiUI
I'm a huge fan of Kiwi ��.