Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I remember trying the same thing, and the settings were already in place for me as well. I'm not sure if its commonplace to do that or not.
Not sure if it's commonplace with other devs, but mik included those settings several builds ago.
I have the current PRL, and "the Fix" listed above still has the settings that the author recommended.