Originally posted by @Sam Leon :

For those who still can't seem to find the vote button...

Try to make your browser window wider.  I have noticed there are two implementations of the UI.  It seems if you make your browser window width narrower, there comes a point the formatting changes to a strip down UI where you do not see avatars, reply counts etc...and only a list of headings.  If you make it wider, then ads appear on the right side and additional content appear next to each post, including the vote counts, avatars etc...

Now if you are on a fixed size tablet like a Kindle...you are stuck with the "Limited Edition" LOL.

I can't get used to the Android version.  I'll stick to the desktop for now.

 This is called the Responsive CSS design and how a website attempts to cope with mobile devices.  The art is to eliminate the eye candy and keep the minimum functionality