According to the Programming Guide [1], no persistent data can be stored in the device, everything should be in iCloud, and the maximum size of the Apps is 200MB (at any given point, it seems, you can use on-demand resources)<p>This is an interesting way of trying to squeeze more apps and circumvent some of the latests storage-related issues in iOS<p>[1] <a href="https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;documentation&#x2F;General&#x2F;Conceptual&#x2F;AppleTV_PG&#x2F;index.html#&#x2F;&#x2F;apple_ref&#x2F;doc&#x2F;uid&#x2F;TP40015241" rel="nofollow">https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;prerelease&#x2F;tvos&#x2F;document...</a>