What exactly is the purpose of play and collect? Sure, it collects some hitting data so that you can "analyze" your playing and improve upon it. However, does it just store data for location on the string bed you hit the ball and racket swing speed? Does it do anything else? If not, then how could this actually improve your game.
Maybe for a player to improve they need to stop shanking the ball so much. A computer isn't necessary for this observation though.