We have an iPad specific version of our Mobilizer test app available in the iTunes store.
Once you've downloaded the Mobilizer for iPad, open it and you'll see fields for user and password. These credentials are the same you use to log into your ShoutEm account.
After you've logged in, you can select your app from your My projects list:
After selecting and testing your app, if you'd like to return to the My projects screen simply tap and hold on your background area and you'll see the following message:
Tap this option to return to your other projects.