Create iOS & Android Mutiplayer Quiz App

I need some apllication programmers to develop a multiplayer quiz app for android & ios platforms. This game must give players the oportunity to create teams with maximum ten players that can play agains't other teams. To create teams or join a team they have to pay for it. otherwise they can play all alone in quize's. In this quiz battle which is 1vs1 (team vs team) there are 8 rounds. After the eight rounds the winning team is awarded with points added to their statistics, like a hall-of-fame (there must be searchable statistics to look up every team and their position). As I said, every game has 8 rounds where the quizmaster (server) asks for a topic, like; "Capital cities that starts with the letter S". Then the two teams and their members have 2 minutes to answer all the questions they know of that stars with the letter S in a public chat (everyone in the quiz battle sees what the others are writing). Every actual round have 10 correct answers, which means that that person or team that had a correct answer is awarded with 1 point. The quizmaster/server has a database with questions and correct answers stored on server; The server might have stored 30 correct answers on question "Capital cities that starts with the letter S" but only 10 answers are chosed by the server randomly. These questions must be editable for me to add questions and answers to it. I hope there are programmers out there who can manage to create this kind of app which works cross between iOS and Android through server (android and iOS can play in same server against eachother). Please also read carefully through project details before bidding. If youre an agent; ask your programmers first if they can develop this kind of an app, and also ensure that you have understood every part of the game as described. If not, please ask me before bidding. Thanks,