So, in 2006 I posted a few times about the capers applets, and in fact the demos are available on the Palm Sounds site (click title).
I had hoped to be able to make the source code for capers available in case anyone did want to take the project forward. However, to date I’ve not had a response from the original developer, so I have to say that I don’t think it is going to happen now.
I’m sorry if I got anyone’s hope’s up. If things change I’ll let you know.