a Multiplayer Platformer game on android

A 2d platformer game is needed with Multiplayer game play. All Graphical assets will be provided. Only development is needed. Please only apply if you have Multiplayer game development experience, and you know how to develop this game. We've already hired and cancelled 3 projects , with incompetent people trying to develop this game and failing each time. A .net or php based webservice will be developed for the mobile applications, to register / sign in users. The game play should be peer to peer. Please suggest if you think otherwise Please start your bid by typing "I know how to create this multiplayer platformer" , otherwise we won't be able to consider your bid. And please do explain your approach for development for this game in your bid. We'll provide 10% or more bonus of the original bid if the game is developed within our provided deadline and with excellent quality. Further details will be provided in PM. Happy Bidding :-)