Game review is extremely helpful and I would even go as far as to say that game review might be the main reason I was able to improve as much as I have over the years.
Seeing your suboptimal moves can help you identify why they are bad moves and find alternatives which would be better for next time. You repeat this process after every game you play and now you have instant feedback to teach you how to improve. If you don't analyze your games with game review (or some form of analysis), then there's nothing preventing you from repeating the same errors game after game.
since iam really bad player and upon advice from many better and even good players here in the forums, i have tried the game reviews but they are limited to just one a day for me for some reason but when i do, do them all they do is tell me what i did wrong in a move eg. you hung a piece here you left open your bishop there etc etc -- they never tell what i should have done what was the move supposed to be the correct decision--- maybe i doing something wrong in using the review process but i just don't see what showing me, what i after the move i did wrong rather than show me what i should have done to correct the mistake before hand ??? is there a adjustment for that iam missing --- cause showing just ones mistakes after they have been committed, time after time just does no good to me --- any helpful answers out there ?