Go to My Files and rename that file. Add a name and a period before the mp4 and click ok. Agree when it complains that it'll change the file. File should look like video.mp4 now and should play.
Oh Jesus. My stupid ass didn't even think to do that... My last phone I wasn't able to do that without my it throwing a fit and VLC would give me file errors when I attempted to.
Whoever got these pictures screenshot them instead of downloading the source files. The text underneath is just slightly miscropped background from the site.
me, i just can't stand her fur.