Finding a working YouTube application for older Android devices can be challenging. Android 4.4.2 KitKat, released in 2013, is no longer officially supported by the standard YouTube app or the Google Play Store. For users looking to revive an old tablet, smartphone, or Android TV box, Smart YouTube TV APK provides a functional alternative.
SmartTube requires Android 4.3 or above , making it fully compatible with Android 4.4.2. Key Features: Smart Youtube Tv Apk Android 4.4 2
This usually means there is a signature conflict. Uninstall any previous versions of Smart YouTube TV or the official YouTube app before trying again. Video Buffering Finding a working YouTube application for older Android