This was posted before. At first, I believed it was the Israeli version- but here is a link to him singing.
I believe the boy’s Edon, and I think that if Howie -one of the judges can be impressed and joke about it, then it was a kiddush Hashem. The boy got great reviews all three judges.
And even one judge complimented about how humble he was, so, please those who are haters- watch the video first, then JUDGE for yourself. If the judges were impressed- then, yes it is a kiddush Hashem, indeed.