I have a major update planned for Sugar Rush later this month.
I just submitted a minor update, version 1.0.5, which fixes some problems with the settings not being saved and updates the settings format in preparation for in-app purchase in the next update. Version 1.0.5 is the last version that will support iOS 3. The next update will require iOS 4 or later. I’ll post more details about the major changes coming after version 1.0.5 is approved.