The developer community welcomed the news of Android Native Development Kit (NDK) release last week with great vigor and enthusiasm. With the introduction of NDK, it is now easy to make calls into native codes from Android Applications. One of the major advantages include a collection of tools and build files used to generate native code libraries from C and C++ sources.
However, the blog post from David Turner indicates that the developer apply discretion in using the framework to balance between the complexities and business advantages. Two very interesting read on this:
http://www.zdnetasia.com/news/communications/0,39044192,62055539,00.htm
http://android-developers.blogspot.com/2009/06/introducing-android-15-ndk-release-1.html