Android App with UI for Tennis

Please do not bid on the project if you are not located within the USA The project involves developing an App that measure certain parameters for a tennis racquet. Most of the technology behind this application has already been developed by me on paper including the overall look and feel for the App. The vibration analyzer and estimation engine will be developed by me. Most of the app will focus on user presentation, usability, recording sound in high resolution via the microphone and ensuring that app is easy to use for the end-user For more details regarding this app please see the document: [login to view URL] You will need proven expertise in developing android applications for both smartphones and tablets. Note: In order to fully evaluate your interest, expertise and capabilities, please write a small android app that records audio via the microphone and either plays the same back or save it as a "wav" file. Only bids which accomplish this task will go through the final round of selection. You will be required to sign an NDA prior to starting this project.