displaying a portion of a larger document on the display;
displaying a vertical bar, not a conventional full-length vertical scroll bar, at the screen's edge;
detecting a movement on the display, and scrolling the document accordingly;
moving the vertical bar; and
ceasing to display the vertical bar — e.g., after a short period of time.
If you think that claim has the potential to cover most Android devices out there, you may be right. The disappearing vertical bar has been a feature in Android going back to at least version 2.3""