Continue to work on existing card game in C# - single player (85% complete) and multiplayer

What you will need to do: -You will need to continue to work on existing card game which is completed (single player) 85% and developed in C# -This is simple project and easy task with few minor changes and add ons -It was developed in MonoTouch and you will get the code in C# to finish it -You will need to finish the game (single player first and then work on multiplayer), implement a new design to the game, new functionalities, new sounds Other info ? Will discuss details during selection process thru Skype What I want from a developer : -priority on app -responsiveness -no delays in programming or making changes when needed -willing to explain things in non-technical terms -previous work with inexpirianced clients -specific skills for my app -signing NDA -language - very good english