I&#x27;m not sure what you&#x27;re trying to point out.  It looks like TVMLJS is the framework that the current set of &quot;Apps&quot; are built with.  They&#x27;re basically dashboard widgets that display XML and Javascript.
<a href="https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;releasenotes&#x2F;General&#x2F;tvOS90APIDiffs&#x2F;JavaScript&#x2F;TVMLJS.html" rel="nofollow">https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;releasen...</a><p>There looks like there is a TVMLKit which looks like AppKit and UIKit.
<a href="https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;releasenotes&#x2F;General&#x2F;tvOS90APIDiffs&#x2F;Objective-C&#x2F;TVMLKit.html" rel="nofollow">https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;releasen...</a>