Android Game

Hi, Need to build prototype for a simple android game. The game will have three screens Screen 1 - slot machine which the player can spin to receive a card. There will 10 types of cards and the probability of receiving a certain card will vary (tunable - some cards will be harder to get than others). Each card also has a number of points associated with it (tunable) - sum of all earned cards will be a user's total score (see screen 3). After the wheel finishes, the card won is flashed on the screen. If user already has won that card before, a message indicating that is flashed instead of the card. Screen 2 - A grid showing cards the user has already earned and empty slots for other cards Screen 3 - Leaderboard showing friend's score (if friends are playing the game) Additional - Every time a user gets a duplicate card, they cannot spin again for a certain time period (tunable) - User needs to connect with facebook when app launches - User, scores, friends, etc. should be tracked in the backend - Buttons, texts, slot machine, etc. design should be slick - Need a 7 day turnaround as the prototype is due for another deliverable