jlongster I was closely following your blog posts about Gambit-scheme on the iphone and was even inspired to try it myself. However this was shortly before Apple changed the developer agreement to add the "stuff that compiles to objective c is not acceptable" clause.
It appears as you have discontinued this project. Was that clause the reason?
here is his blog for reference: http://jlongster.com/legacy/scheme-iphone-apps.html