Different phones, different regions, different vendors.<p>Could just as easily be a supply chain issue where a reseller decided to make some money on the side, could censorship relted crap mandated by the Chinese government for local usage leaking into exports phones, could be some one on craigs list, could be completely fabricated.<p>However the fact that some phones didn&#x27;t come with it doesn&#x27;t mean much either.<p>As far as the facebook App goes<p>AVG has some reports on it
<a href="http:&#x2F;&#x2F;www.avgthreatlabs.com&#x2F;ww-en&#x2F;android-app-reports&#x2F;app&#x2F;com.facebook.katama&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.avgthreatlabs.com&#x2F;ww-en&#x2F;android-app-reports&#x2F;app&#x2F;c...</a><p>Mentioned in Google Groups
<a href="https:&#x2F;&#x2F;groups.google.com&#x2F;forum&#x2F;#!searchin&#x2F;ugs-support&#x2F;katama&#x2F;ugs-support&#x2F;eG5Fe-LZ94w&#x2F;Krpg6Arznx4J" rel="nofollow">https:&#x2F;&#x2F;groups.google.com&#x2F;forum&#x2F;#!searchin&#x2F;ugs-support&#x2F;katam...</a><p>Was removed from Google Play
<a href="http:&#x2F;&#x2F;www.bestappsmarket.com&#x2F;p&#x2F;app?appId=1588222&amp;title=com-facebook-katama" rel="nofollow">http:&#x2F;&#x2F;www.bestappsmarket.com&#x2F;p&#x2F;app?appId=1588222&amp;title=com-...</a><p>Someone with a Xiaomi MI3 phone complaining that that app takes up 22% of his battery
<a href="http:&#x2F;&#x2F;www.htcmania.com&#x2F;showthread.php?t=872251" rel="nofollow">http:&#x2F;&#x2F;www.htcmania.com&#x2F;showthread.php?t=872251</a><p>Questions about it dating to 2014
<a href="http:&#x2F;&#x2F;www.quora.com&#x2F;Why-is-the-Facebook-app-package-name-in-Android-called-katana-com-facebook-katana" rel="nofollow">http:&#x2F;&#x2F;www.quora.com&#x2F;Why-is-the-Facebook-app-package-name-in...</a><p>Seems that the original code name for the facebook app was Katana so using katama instead is akin to registering www.worldofworcraft.com for you phishing domain.<p>So while this whitepaper might be overblown and pure marketing it seems that there&#x27;s some truth behind this.