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This week in your world of Android: Android 4.4.4 took us by surprise, ART replaced Dalvik in AOSP, Google released updates to several of its core apps, the Galaxy S5 LTE-A launched in South Korea, Amazon finally unveiled its smartphone, reports emerged about Google’s Android in the car plans, and hacker Geohot released a widely effective root method.

These are the essential stories, the summary of an entire week in just a few words. It’s Android Weekly.

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Does ART really provide a faster, smoother app launching experience when compared to Dalvik? A new video has hit the web that attempts to answer that question by pitting two Nexus 7 tablets against one other, one running Dalvik and the other running ART.