I added the Alphago v. Alphago SGF by Michael Redmond from the AGA website. I use OGS as my SGF reader. On my mobile I am unable to read comments unless I start a review for the game. Unfortunately all of the tools for truly reviewing a game come up when I only want to view a commented SGF without editing. This is less than ideal on a mobile phone where screen space is limited and there seems to be lots of scrolling required. I would suggest either