Upgrading to the "Prime" version (typically through a license key or legacy APK) unlocks advanced power-user features: Nova Launcher FAQ
Nova Launcher 4.2.2 is also highly recommended for ultra-legacy support while maintaining a clean AOSP-style look. Prime Features for Legacy Devices nova launcher prime apk for android 4.4.2
Optimized to run quietly in the background without draining battery. Upgrading to the "Prime" version (typically through a