You could download the application in app store and check the work.
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22 freelancer đang chào giá trung bình $7/giờ cho công việc này
Hello there I have notify your description. To be honest I have done such kind of job in several time. I can assure you about my quality. Please fell free knock me for more details.
Dear hiring manager, I will love to download the app and execute your project. I believe I can give an honest review and opinion on what ever you required done. Hire me and be glad you made the best decision.