Dear Mr. Hiring Manager,
I am experienced Android developer and would gladly take care about your project! More than 3 years experience, large portfolio and many positive feedbacks will assure you for getting excellent result. I created also similar app with using google services!
I need only a bit more information about your project for starting more detailed discussion. Are the artworks/mockups ready already?
Let's discuss your project further! I am excited to hear from you soon.
With best regards,
Sargis