I thought this was like that one Twilight Struggle companion digital board that was pretty much the physical board but digital (which allows you to play with just the cards) since this covers just the resources mat. Still neato though.
Yeah, I didn't know until stumbling upon this tutorial that White could exploit Black's limitations. Even having known about Gomoku beforehand, the Renju rules were still difficult to wrap my head around.
From what I know, the phone apps have more players on it like Dr. Gomoku and Gomoku Quest. Despite the 'Gomoku' name, they're actually using Renju rules.
Play team-based online competitive games and you quickly learn to handle criticism. Play long enough, get to a high enough level and you learn to separate the ad hominem flamers and the flamers who are actually constructively showing where you are wrong (while still using ad hominem attacks of course).