Creating Windows Phone 7 Application and Marketplace Icons
http://www.shazaml.com/archives/summary-of-windows-phone-7-application-certification-requirements
Application Iconography
Required Icons in the XAP Package
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Pixels
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File Type
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Application Icon
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62 x 62
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PNG
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Application Tile Image
|
173 x 173
|
PNG
|
Windows Phone Marketplace Iconography
Icon
|
Size (Pixels)
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File Type
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Device application icon for Windows Phone Marketplace catalog (small)
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99 x 99
|
PNG
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Device application icon for Windows Phone Marketplace catalog (large)
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173 x 173
|
|
Desktop application icon for Windows Phone Marketplace catalog
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200 x 200
|
PNG
|