Train hard; get better. Do your drills. It's a simple mantra, but it's missing a crucial part of the process of practice to improve. Cricketing technique, tactics and mental strength require one more "drill".
By thinking of review as a drill, and reflecting on your practice and games, you will get better faster. You will even get better between practice sessions. It works by giving you a feedback loop that has been proven to boost skills faster than anything else. It gives direction to your training, encouragement that things are working and confidence that you can repeat the right skill at the right time.
Yet, most of us don't bother much with it.