(Sorry if this was asked before, I searched and couldn't find an answer) What happens to an iPhone app stretched to an iPad Retina screen? Do retina optimized iPhone apps transition better to a retina iPad? What about iPhone apps that were never optimized for retina, will they look horrible on a retina iPad? Im just a bit confused on how it will look because the iPhone 4/4S has a retina display but using it on an iPad 2 meant that even though the screen was bigger, the resolution was lowered and it resulted in some ugly stretched apps and am curious to know what to expect. Thanks.