Its clear that Speak for Yourself need to do one thing now: build a new version of the software, as quickly as possible.

Seems to me, on the basis of the videos of the software I've casually viewed, they could do it in MOAI in a few weeks. (http://getmoai.com/)

Most of the work for a 'port' is done: the content and design of the app. If the content is well organized, they could do a cross-platform version of SfY Next-Generation (runs everywhere: win/osx/linux/ios/android/&etc.) that prevails beyond falsely imposed boundaries.