I'm developing an app made for an iPhone, but would like to gradually support the iPad's screen. However, it would be great if I could release the app via ad-hoc with the iPhone as a target, but develop it with universal support.
To be brief, I want to press Product --> Archive and get this:
And get this when I press Product --> Run:
I tried editing the scheme, but there are no options available it seems.
This isn't exactly what you are asking for but it should work: