Because this is a third-party APK, it cannot be found on the official Google Play Store. You must follow these steps to install it: Enable Unknown Sources : Go to your TV's Security & Restrictions and toggle on the permission to Install Unknown Apps for your browser or file manager. Download the APK : Use an app like Downloader by AFTVnews
The APK file size is roughly 20MB—much smaller than the official YouTube app. It also consumes significantly less RAM, reducing lag on low-end Firesticks or generic Android TV boxes. Smart Youtube 6.14.18 Apk
If version 6.14.18 encounters playback errors or "update required" prompts, it is recommended to upgrade to the latest stable release of SmartTube App Because this is a third-party APK, it cannot