Still, developers worry that Google may make the same mistakes with Chrome OS that it's made with Android. By licensing it under the Apache open-source license, Google did not require developers to make public their modifications to Android code, leaving some to wonder whether Android will become fragmented as incompatible versions appear in different types of devices.

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If you’re a web developer who wants to build mobile applications in HTML and JavaScript while still taking advantage of the core features in the iPhone, Android and Blackberry SDKs, PhoneGap is for you.