Bingo Mobile Application

The requirement is: - Bingo Mobile Application (iPhone and Android) - Multi-player game (up to x users) - Ability to charge for games with more than X users (on per game or subscription basis) - Users create their own game session and share with others through bluetooth or wifi (the idea is that only people within a radius of 50m should be able to join an open game) - The creator of the game session can enter their own words for the bingo game or select from a list of previously used words by other users - Game session creator can define if the game is visible to others within the radius or if it will be by invitation only - Invitations should be able to be sent via email, whatsapp, etc - All users must register with a facebook or google account, then later create their own user ID and name, then select if they want their facebook details visible or not - Users scores should be recorded - Users should have the ability to "friend" other users within the app, so to remember these users in future - Ability to compare scores with friends - Ability to set different levels of membership (free, silver, gold, etc) - Gamification knowledge is desired - e.g. If a user brings XX friends, he gets free subscription for a month on the gold membership, etc - Membership levels dictate, number of users per game, number of words per game, how often one can create a game, the multiplier used to score points, etc - Ability to share app on social networks and track who joined via whose's sharing action - Ability to notify users within radius that a new game was created - Ability to give the game session a name these are the main requirements... it should be a quite straight forward application