With Oracle support Sun can sue Google over Android Java license issue. Android use Java technology, but they build a Dalvik VM on top of the Java (refer to Google Android software stack).
Sun in not into the business to sue other company for money, you can refer to Sun Jonathan Schwartz's blog post. Oracle do it a different way. You may say Oracle sue Google for Java license issue on Android platform.
Google has the money to pay Sun for Java license, Google also support open source (Java is open source), but Google try to avoid some issues may came with Java open source license. At the end Android is open source for most of the smartphone manufacturers out there. Google should have paid Sun earlier which may avoid all these issues.
Continue reading:Java founder James Gosling blog.
Oracle sues Google over Android and Java
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