Apple's Push for the Worldwide Market

During the keynote speech at this year's WWDC the iPhone's extended language support was one of Phil Schiller's main talking points:

This coupled with the release of the iPhone 3G and 3GS in 80 countries shows that this is the year that Apple are really pushing for global market share. To ensure that your applications get a piece of the worldwide pie it is essential to have an application and marketing materials in the natural language expected by the user.

Engage the User and Exploit the Potential

As Apple roll out the App Store across even more territories savvy developers can exploit these new opportunities to their best potential. The App Store's 'Top Applications' lists are calculated on a per-store basis, meaning that engaging the customer in these territories can catapult your apps to the top lists.