Is anyone here reading via the Kindle app on a tablet? I have a Kindle Paperwhite but I've come to find the screen too small for me to read comfortably.

I have the app on my Pixel tablet but I can't figure out navigation in it. Double tapping at the top of the age does not exit me back to the main Kindle page. In fact any tapping seems to just change the page.

Does anyone have a list of navigation hints?