Tools and initiatives for external developers will also be announced.

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The ecosystem that surrounds iPhones, iPads, and Macs consists of iTunes, high quality facilities for external developers, thousands of well-developed apps, Siri and iCloud.

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Answers and ran add-ons at Mozilla, and Paul Rademacher, who came into Google after doing the first mashups with Google Maps, and was something of an evangelist for the external developers working with Google products.

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Although NHN Japan's self-developed apps alone will be released at first, NHN Japan has made it clear that it plans to increase the availability of apps developed by external business partners by opening its API and offering developers access to LINE's functions including friends lists, messaging and payment.

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Over 800 external developers have already accessed the API since its release, and users have generated over 24 million data requests.

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