While the app was once a top-tier premium choice (often retailing for around $16 in the Play Store), there are modern considerations for users looking to download the APK today:
This specific version (3.20) was one of the more mature iterations of the launcher, offering a suite of visual enhancements that transformed the standard Android experience:
Unlike standard launchers with fixed grids, it allows for free placement of icons, even letting you rotate them upside down or overlap them for a unique look.