That's right. It does have it's own featurette in the second boxed set of Mr. Moto.
I know that two mentions of the proposed "Charlie Chan in Honolulu" in "Mr. Moto's Last Warning." In the program handed to the audience and on the poster outside the theatre.
On the message board, do folks usually use their names, like I did, or user names? I guess I ask as I would prefer to use initials myself, if that is OK?