Clean up your interface by hiding bloatware that cannot be uninstalled on older 4.4.2 devices.

Organize your apps into folders or tabs within the drawer for better navigation.

While you won't get the system-level features, you can use Nova Prime to apply modern icon packs and search bar styles that mimic the latest Android versions.

Go to Settings > Security and toggle on "Unknown Sources" to allow APK installations.

Assign custom actions to swipes, pinches, and double-taps on the home screen.