Android music player app update

Existing App : Have lot of sound files offline (pulling from raw folder) under different category, on clicking sound plays in loop, you can play multiple sounds same time,have timer,premix favorite and save to favorite option Job description : [login to view URL] a new page in existing App as Download More,call webservice to display dynamically sound with icons from server under each sound [login to view URL] clicking sounds (with icon) will be downloaded and available under offline category page to play offline from SD along with other available offline sounds. [login to view URL] to add a Online Radio page where user will be able to listen to the sream sounds -I need some one who can dedicate work on this and complete within 15-20 days, I will need regular daily communication/updates on phase by phase. Money will be released only once code and documents provided -I have multiple upcoming updates. -Webservices are already available, details with Auth key will be provided for both paid and free version of the App for download API. You need to provide detail doc on the code change as the change on paid App I will do myself as per that doc and I am not technical person. Alternatively you can write your own code all together from scratch to build the app in existing format and then do the updates-whichever you prefer.