wanna know what a good game is for me?
i get camped and my jungler comes and helps me push the wave up. i end up farming and coming back and when i get ganked again, he gets drag and pushes bot to get tower.
that right there is a good jungler. regardless of the enemy camp, he was useless and didnt just say "i cant do anything" he came top after and got me a kill and i ended up snowballing super hard. we won that game super easy with effective teamwork.
that is what i look for in a jungler. pressure, no laziness. always trying to do something. always has a goal.