To re-run first time setup to change the config of the app please follow these steps.
For version 3.7.0 and above, on iPhone go to the more tab and located the 'Edit User Settings' option.
On iPad you will find this on the left side menu.
For older versions of the app.
To do this go to Account Setting (located on the more tab on the iPhone)
Then choose Edit User Settings
Now go through first time setup again and you can alter how you want things.