For start what I am trying to do i am not even sure that is possible(looks that is) In the feature of image assets in Xcode you can select for an imageSet to be either Universal or Device Specific. When I am doing it Device Specific and select both iphone and Retina 4 and assign pics to all , it is always selected the iphone retina image and never the Retina 4 when I am using an iphone 5(device or simulator)
Have searched docs but couldnt find something. Thanks
The "R4" image will only work on 4-inch iPhone running iOS 7 or later. On older version of iOS it will use 2x image.
Example. If you use images like this:
you will see: