It's one of our favorite theming launchers. It's one of our favorite launchers period. It's one of our readers' favorite launchers. And while there's a lot you can do in Nova without ponying up for Prime, there's absolutely no reason not to do it when it's 80% off like this.
Almost all of our home screen themes are written for Nova Launcher, and we have a wonderful in-depth look at Nova Launcher's settings. Nova's also one of the most popular launchers around, so if you need help, you'll likely be able to find it in our forums, on social media, or in Nova's own communities.
So what are you waiting for? Go get your Prime on!