Build me a free mobile game (IOS/ANDROID) -- 3

We want to build a free game for mobile phone that has the following features : Game Play is this : [login to view URL] We need mobile app that : 1. Handle registration / activation / login Login with Facebook/ Google/ Twitter 2. Registration with 13YO and Under 13YO 3. Banner system for people Over 13YO 4. No banners for under 13YO 5. Automatic score calculation 6. Manual score calculation ( when the turn is finished the kid can count his pieces and enter the number ). The app must highlight the pieces so the kid can count easier 7. Design of the app We need relevant app experience and portfolio before any chat / discussion. We attached the specs to give a me an exact quote. We will provide ui wireframes on final step. Thank you This will be a free game both for IOS and Android