“…The CFI found that heading 9504 did apply. There was no definition of “video games”, so the CFI held, following Case C-395/93 Neckermann Verstand [1994] ECR I-4027, at [6]ff, and Case C-338/95 Wiener SI GmbH [1997] ECR I-6495, [13]-[14], that “it was appropriate to look for the object…”