Write an Android application

I want to build up an android app we have logo also we have the design i want a freelancer to convert the design to an android app so i need an experience mobile android developer PLEASE READ PERFECT BEFORE YOU BID: PROJECT NAME : CHALLENGES 1 ) user register by FACEBOOK OR REGULAR Sign up form. 2 ) THERE are Three tabs after user registration - A. CHALLENGES AREA FILTERS BY ITS CATEGORY AT TOP B. SEARCH For SOMEONE by its nickname [login to view URL] YOUR PROFILE 3 ) in your profile there is three tabs : your challenges - your followers members - and your following members . 4 ) your profile page (each basic member have 3 images - nickname - challengers category interesting in (one or more) - also he can see the coins on his profile so each member after sign up will have 50 coins free (fake money) ) 5 ) any member can post a new challenge and put image and text then post a challenge and set a challenge type (sport,fun,..ETC..) 6 ) member can post 3 challenges in 24 HOURS 7 ) each challenge post charges member 10 COINS 8 ) each challenge period 24 HOURS 9 ) other members can accept the others challenges by posting an image - text - then 24 hours start desc . 10 ) members vote for someone and the winner is the someone who have voters bigger than other . 11 ) vote is free and each member can vote for any challenge - you can vote one time for each challenge. 12 ) any member can see profile any member but they can't chat . 13 ) member can invite someone to challenge . 14 ) any challenge disappear after 3 DAYS if no one accept . 15 ) if someone invite other for a challenge others can't accept it / just one can accept who invited . 16 ) any member can buy coins from the store using paypal or credit cards. 17 ) each voter vote for a winner challenge win 5 points and the challenger win 50. 18 ) the backend (me) can see members edit all information and also edit any challenge and edit any vote . 19 ) the backend can let me see the orders for coins by members . 20 ) the backend let me block any members 21 ) also there is a policy tab and about us page in website just normal Text page so i can edit it from back end . 22 ) any member can post 3 challenges each 24 hours and each challenge post charges 10 COINS 23 ) people can earn coins by vote for someone and win or post a new challenge . 24 ) anyone can accept other challenge . 25 ) anyone can block any one and he can see the block list in his profile page. so the total idea is .. you can post a challenge for a chair and write under it this is the most beautiful chair in the world / so other can accept this challenge by posting a chair and write anything ... then in challenges area all registered people can see all challenges by category - then 24 hour starting desc second by second . anyone can think he can build this app please bid.