several adjustments to almost finished bug free image rating app

I have an almost finished bug free Image rating app. there are certain things that needs to be added and adjusted in my application. apk will be sent later on for shortlisted freelancers, so they can understand the whole thing perfectly! The Adjustments and Additions are in short list: 1- the app has country field where user chooses his country, I want to remove the field and Get location using device (location or service provider location) 2- Images are uploaded to server directly and can be viewed instantly after uploading by other users, I have a system that allows me to delete images I don't like and then submitting them, so i need this web service integrated (the service is ready, freelancer don't have to write it) 3- Users can include a link to their facebook profiles, that appears as an icon in the app, when users click on the icon it offers to open the link using web browser, i want the user to be open the link using the facebook app. 4- There's a top page where the top rated images appear, there's a thumbnail beside the photos, but they are in original size (if image uploaded is 1 megabytes the thumbnail is the same size) I need the thumbnails at the top page to be compressed before displayed on the top page. 5- I want to move the app from current server to new server. 6- There might be 1 bug in the app that depends on wither the user is connected through wifi or 3G, still not sure but just so you would know that if the problem occurs i need it fixed as well. the document uploaded has the same points but with screenshots. At the end of your bid write down the following keyword to make sure you read the whole thing (metaphysics). And finally please let me know estimated time for finishing the project! If you don't provide me an estimation your bid won't be considered, And if the time taken to finish the project exceeded the upper limit with 3 days, I will discount from the total amount by 10% each day. So when you give the numbers, you need to have a realistic estimation based on your skills. I accept bids between 150 USD and 400 USD