I get tired of seeing so much misinformation posted and repeated all over the place about how graphics rendering works on Android. Here is some truth:Full article here
• Android has always used some hardware accelerated drawing. Since before 1.0 all window compositing to the display has been done with hardware.
• "Full" hardware accelerated drawing within a window was added in Android 3.0.
• Hardware accelerated drawing is not all full of win.
• Hardware accelerated drawing is not a magical silver bullet to butter-smooth UI.
(The author is Android Framework Engineer at Google)