Android's new Overscroll functionality introduced in Gingerbread and discovered some more interesting things. The functionality to make a a view scroll beyond its limits and then bounce back (almost exactly like iOS) is sort of built into the framework, but just hidden.
http://www.youtube.com/watch?v=dOyWCDhlxv8&feature=player_embedded
According to the android developers visit the following link. http://developer.android.com/reference/android/widget/AbsListView.html#setOverScrollMode(int)
the doc says you have to use following method.
public void setOverScrollMode (int mode)