phonegap / Icons and Splash Screens: "
57 px, iPhone
72 px, iPad
114 px, iPhone 4 Retina Display
512 px, iTunes – Used in iTunes and in the App Store sized down to 175px
29 px, iPhone Settings/Spotlight, iPad Settings – used in these table views. Minor, but still important!
48 px, iPad Spotlight
58 px, iPhone 4 Settings/Spotlight
64 px document icon
320 px document icon"
'via Blog this'
