Dear Sir.
Nice to meet you. How are you?
Thank you for posting the job.
I just read your description twice again and applied with my skills and experiences.
I'm keyed up to turn this opportunity into a long term business relationship with you and will be glad to assist on any element, whenever needed.
I've strong expertise in mobile and web applications including iPhone, Android, PHP, Java and ASP.NET.
In my portfolio, you can see my some projects I developed in the past.
Here are my past top paid and downloaded apps;
I work under NDA and keep secret about clients and their ideas.
Please contact me to proceed further with your project.
I look forward to speaking with you soon.
Best regards.