Universal Build in iphone & ipaddoubt ?

Question

I want to run My iphone App in iPad without Pressing 2X Button. When I follow the following steps, I could not run My App in iPad simulator without using 2x...

1. Open the Xcode project for your existing iPhone application.
2. Select the target for your iPhone application.
3. Select Project > Upgrade Current Target for iPad and follow the prompts to create two device-specific applications.

I have to alter anything in my project which is under resource-iPad?anyhelp please?I used autosizing for iPad , it gives Very poor Results like tableview etc?any simple method?