you should use Unity3d 5.5.0f3 for this work.
you have to create a simple UI and make Real Time Multiplayer based Penalty Kick 3D Game for android and iOS both.
The link of the sample game which has the type of Real Time Multiplayer which is required is given below;
[url removed, login to view]
remember, you don't have to create the all the functions as are in the sample game.
you only have to create the real time multiplayer in the game I required. so bid accordingly.
all art assets shall be provided.