Android App programmer

[login to view URL],login and forget password for user authentication [login to view URL] to create or remove folder for virtual product. [login to view URL] to add,edit,remove virtual product with label,date of purchase, expiration of warranty, price and place of purchase. [login to view URL] to add or remove scans of receipts or warranty bills. [login to view URL] to launch a return/refund request. 6. You can use any design 7. You will be given API that will return Json result 8. You will write brief documentation. Please don't bid more then 100. if you will not explain your understanding in your proposal, I will not discuss with you. Thanks