desktop and mobile pairing

Hello

I want to build mobile game sync with the desktop .. so I will open my game in the mobile at the same time it will be opened in the desktop and start playing between the player and his opponent .. for example the tennis game the user will open the game in his mobile and use it as a racket to hit the ball and in the desktop we will see it moving and the opponent will Hits the ball to the player ...

can I do it using c#?

I hope you understand me .. I need your help and your replies very soon .. thank you