As the original Charlie Chan stories enter public domain, this will open the door for more people to gain access to these great Earl Derr Biggers mysteries!
As you hint, it WOULD be fun to bring the "undocumented" Chan cases to "life"! maybe at some point we can revive the idea of a group-produced "script" for each one!
Yes, it is a natural for you to pick "Charlie Chan in Cleveland" for your favorite! This one is also the only one of the group to have been mentioned as a FUTURE case!
Finally, I am honored that you felt the Frances Chan information to be worthy of publication in your yearly Charlie Chan family Newsletter! And, yes, I would be equally honored to make a contribution to your outstanding blog!