Upgrading Existing Android Application -- 2

Dear Freelancers, We have Android App written in Eclipse . (If you want you can migrate it to Android Studio). This is a reward based app which gives rewards to users for watching ads and downloading apps. We need to upgrade the app to next version and also improve the performance of the current App. App link: [login to view URL] Technology Used: Android, PHP , MYSQL. The PHP and My sql are at the back end. Expectations from the developers: • The App performance should be good. Dev should have experience in fine tuning the apps. • App should work fine on high number of concurrent users. • Writing a readable code according to industry standards. Please go through the attached document for detailed requirements. Generalized bids will be rejected. please mention 'Project 2016' at start of your bid so we understand you have read the description. The budget is strict so bids only in specified budget would be considered. We need to start the project ASAP. Looking forward to work with you. Regards, Ashutosh