The best tennis game but few people play it – Virtua Tennis Challenge Review

I don't know why this good tennis game online get 3.6 star, is the control? or characters? or something else? from what I think, I ve been playing this game from my iPhone5 to iPhone Pro. what do 2dollars can do in nowadays but purchase this wonderful game? SEGA please let more people to know this wonderful game !!!
Review by ask rating So many times on Virtua Tennis Challenge.