Because "Android TV" as a dedicated OS was in its infancy during the KitKat era, many older TV boxes actually run the of the YouTube app rather than the leanback "TV" interface.
Google is slowly shutting down legacy API access. The day may come when YouTube for Android 4.4.4 stops functioning entirely. Here are three backup options: youtube for android tv 4.4 4 latest version download
: A lightweight, open-source client that supports background playback and a "popup" player. Smart YouTube TV (Legacy) Because "Android TV" as a dedicated OS was
A community-driven fork that emulates a newer YouTube version. Search for (version 6.17 or older for Android 4.4). This app often works when the official one fails. Here are three backup options: : A lightweight,
If your device has very low RAM (1GB or less), even SmartTube might feel heavy. In those cases, consider these "Legacy" clients:
Troubleshooting tips