You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
Really contemplating upgrading to the D, but that means a $40,000 hit in just a little over a year on the +. Wife said I'm nuts, but aren't we all? Especially for the Insane mode!
It stayed on until I turned it off. I continued to slip after accelerating to 30 or so and pushing myself into a slide, but I don't know if it disabled at a certain speed or not.