The Play Store will not work on its own. It requires Google Play Services to function. If your TV is a generic brand (not Sony, Philips, or high-end brands), it might lack the necessary Google framework. Installing "Google Play Services" separately is very difficult on Android 4.4 and often results in errors.

Find the exact model of your TV and check if there’s a firmware update — many older TVs can’t support the Play Store at all.

: Busca versiones antiguas de la Play Store (generalmente numeradas entre v5.0 y v7.0 ) que todavía soporten la arquitectura de KitKat. Google Play Services

: Una tienda de aplicaciones optimizada para Smart TV que suele funcionar mejor en versiones antiguas de Android.

Here’s a useful, clear version of that text in English (since your request is in English, but the original includes Spanish):

If you force the installation of a new Play Store version on an old Android 4.4.2 TV, the app will likely crash, freeze, or fail to open. For Android 4.4.2, you typically need to find of the Play Store, though even those can be heavy for older hardware.