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I need to an app like this one: [url removed, login to view]
The app needs to work on any Blackberry Phone with OS version 6,7 and 7.1 - on any model that runs these versions. For example, BB 9900, 9800 etc.
The code needs to be in java, and I need an easy way to change the default background which will be in jpg format. The ability to change the background (as is in the original app) should exist as well.