To see Scrumptious in action, download the source, open the Xcode project, build and run. The keys provided are hooked up to a generic StackMob and Facebook app specifically for Scrumptious.
Replace the StackMob public key and Facebook app ID in the plist to connect your own StackMob backend or Facebook app.
To see Scrumptious in action, download the source and move the StackMob-Android.apk file to your Android device.
The source code is available for you to replace the StackMob public key and Facebook app ID to connect your own StackMob backend or Facebook app.