Open Facebook App From Browser. * connect with friends and family and meet new people on your social media network * set status updates & use facebook emoji to help relay what’s going on in your world * share photos, videos. Enhancement label feb 11, 2017

When the user clicks share on the page i do not want to open facebook page, i would like to open the facebook app for him. If the value of 'browser' is not valid executable file, don't open any browser. Since version 11.0.0.11.23 (3002850) facebook app do not support this way anymore, there's another way, check the response below from jared rummler.
Well it is a very common behavior, that you have rightfully identified.
This will open the current link in google chrome after it is opened in the facebook app browser. Open facebook via facebook application. Log into facebook to start sharing and connecting with your friends, family, and people you know. Connect with friends, family and other people you know.