Dear sir.
I have already checked your job description. I have already developed many mobile Web Service apps such as "Smart Driver, Smart Food, Orange Talk, Taxi Driver, Night Club, Accentu Date, Catch son, MemeGenerator, PizzaAway, DNABarcodeAssistant...". Please check my portfolio. I have many experiences in mobile development. So I can do this job perfectly in time. Please let's discuss about your job in details via interview. Looking forward to hearing from you soon. Best regards. Huiming.