You can always update the background of your application if you would like to make any changes in your application. You can easily do that by following several steps:
Step 1: log in to your iBuildApp account and go to My Applications menu. Choose the application you would like to update and click on the Edit button
Step 2: in the opened window, go to the Design section
Step 3: scroll down a bit there you can find Change Background section. You can choose one of presented backgrounds or upload your own image (Create Background button).
This is it! You see how simple it could be to edit application's information with iBuildApp application constructor.