You get to the settings menu by clicking on the three horizontal lines in the top right corner (sometimes called the hamburger!).
Re-download files and set offline preferences
Shows a list of recent updates from the app to the server with problems highlighted. Clicking on these messages gives more detailed information for debugging purposes.
Takes you back to your project list where you can switch to another project.
Map layer preferences, record defaults, notification settings etc.
Log out of your account.