I’ve just received news that the “Not Emacs” iOS app I’ve been working on has been approved to the app store. Check it out, it’s a free app!
Not Emacs is an emacs-like editor that is built with Gambit and the ymacs editor (http://www.ymacs.org). Documents are shared using iCloud, so they are accessible from all devices automatically. Not Emacs also has an embedded Gambit REPL (started using M-x run_scheme). The app is best used with an external bluetooth keyboard, but the extended virtual keyboard has a bunch of extra keys to make editing possible if you don’t have an external keyboard.
An update of the Gambit REPL app which includes the emacs-like editor is also available.
Marc