what else does my app need?

Hi, How are you? I am a mobile app developer with over 5 years of development experience. I’ve carefully gone through your job post. I am very much interested in your project with all of your requirements. I feel very confident on your project and You will get the "Best Result" if you work with me. I work hard and you will surely get the result in a promised time. If you give me all information about your job, I can start working immediately. If you want, I will show you my previous work... Looking forward to discussing with you the details. Best regards.