With all the rumors that Apple plans to increase the next iPhone’s display to approximately 4-inches, and yesterday’s reports from Wall Street Journal confirming the rumors, there is much speculation regarding the exact dimensions and resolution of the upcoming display. Overdrive Design blog’s Niilo Autio¬†pointed us to the mock-ups he did of how apps might benefit from a 4-inch display using a resolution of 640-by-1,152. The images below are compared to apps on the existing iPhone 4/4S design. The added screen real estate is especially noticeable in the Safari and Mail apps.