Android Developer for creating Poker Game

Hi,I need a Poker App for a website! The app can be single player or multiplayer IOS and Android Poker App for the purpose of marketing and preloading in handsets. The app should have a basic version of poker smiler to what BlackBerry handsets offer. Please let me know if you have an app which is ready or please send me your proposal regarding the cost and delivery time. The app has to let user to login through the details he registered through the website. The app should also has guest playing feature which requires no login. The app should integrate payment gateway feature. Let me know your quotes within my budget please. Thanks