4.4.2 is the latest version I am running on the samsung galaxy s4. Did some further testing on it and can replicate the issues of the chrome, boat and dolphin browsers.
I also picked up a Samsung Galaxy s3 running Android 4.1.2 and could replicate eveything.
I assume you do see the first bug from the video? I.e text logo and tagline enabled. The tag line is pushed below the actual mobile header and does not remain just below the main text header as it does in desktop browser…