Version 4.0 concurrent multiple third party applications, mobile advertising platform “iAd” with new features such as.

Apple’s U.S. August 4, “iPhone OS 4.0″ was released. Scheduled for release this summer, the fall also provides for iPad. The developers also released a version of OS software development kit β.

The version of the multi-tasking several third party applications can run simultaneously, the ability to organize your applications folder, iPhone for the iBooks, mobile advertising platform “iAd” that incorporates new features such as.

iAd is something that can display full-screen interactive ad from within the app. In the current iPhone OS, applications and users click on ads in the Web page your browser is up ads, and apps will come back after watching an ad, iAd leaving the application in Ads can be viewed. Apple sells advertising space, and application developers receive 60 percent of ad revenue.

In addition to this new edition, enterprise security, and social support of the game “Game Center” is also equipped with.

However, iPhone 4.0 version of the existing models do not all features are available, he said. For example, multi-tasking or iPod touch 3G iPhone 3GS only support.

This summer, Apple, iPhone OS 4.0 with the new iPhone is expected to release.