Android Developer needed c8 similar like mcent pokkt money

I am looking for Android app wherein ill be promoting different offers under offers wall and allowing users to download those offers and in response to this they will get some money/ free talk time/ cash back on real time which comes under normal download/install thing. i'll also be giving users and option wherein they can shop online from my offers section and they will get some cash back after shopping through my link which will be transferred after 30-days. Find my requirements:-  1) Login , Signup and forgot password. 2) Offer listing screen (for installing app) 3) Shop and earn listing screen 4) Detail screens for offer and Shop and earn 5) Recharge screen : where user can recharge 6) Free Talk time via App (I'll be giving API/Web Service for recharge via app) 7) Wallet screen : 1) For installed App 2) for Shop and earn(after 30 Days) 8) Google AdSense and Banner displaying. 9) Push Notification integration 10) inApp browser for displaying Shop and Earn offers. Admin Panel Features Listing : 1) User Management (Add / Update / Block Users) 2) Admin can send promotional push notification from Admin Panel 3) Add Offers from admin panel a) Start, Pause and Delete offers b) Set Price and other information related to offer c) Two Type of offer : 1) Install app 2) Shop and Earn d) I have to target users on basis of their age, gender, location and their operator. Similar apps are:- Laddoo, mCent, Earntalktime, CashitBack, Gopaisa Please let me know the feasibility along with the costing and the time duration.