Reader displays two pages if appropriate
Navigation flows from left to right ("right" is "forward")
Preferred page flipping animation:
Navigate with left/rigth cursor keys, mouse wheel, swiping left and right, clicking on pages or using the navigation bar at the bottom.
Use keyboard up/down cursor keys to skip one page in two-page mode
Use keyboard Ctrl + up/down cursor keys to open previous/next loaded file
Use keyboard "f" key or the button on the navigation bar to toggle fullscreen.
Use keyboard "2" key to switch between two- and one-page mode.
Use keyboard "z" key or enable/disable mouse zoom.
Use keyboard "l" and "r" keys to rotate the page (SLOW!).
Use keyboard "g" to toggle grayscale mode.