FiascoMobile is the most convenient way to carry Fiasco playsets with you on the go. It is a web application designed specifically for use on a mobile device.
On an iOS device, you can install it to your homescreen and treat it like any other app. You can also use it on your home computer! It's also known to work on Android, Blackberry, and any other device that uses a modern web browser.
Try the demo and let me know what you think.