Dear Sir.
I have been developing mobile apps over 4 years and now I have a great experience in mobile development.
I've read your job description carefully, and I am very interested in your job.
I'm a talented mobile developer with experiences in various fields such as utilities, games, social network, Google Map, GPS apps and so on.
So, I can do your job in a short time than anybody with high quality.
I believe my skills would be ideal for your project.
Please meet us and please give me chance to work with you.
Firstly please send me pdf file that explain your requirement.
I look forward to working with you!
Thank you and regards.
PS> Please send me more detail requirement and PDF files.