I'm trying to link to the Facebook android app from the browser but can't find the right scheme. I looked at the suggestion from this post here and I changed some stuff around. When I try it in the browser it always takes me to the Play Store for Facebook and not the actual app, even though I have it installed. Also, when I try running the samples from the above post, they take me right to the QR scanner.
Here is my best attempt:
<a href="intent://fb/#Intent;package=com.facebook.katana;end">test me</a>