Dear Hiring Manager,
I'm very interested in your job post.
As an Android Developer, I have developed many Android client-server app, which sending data and receiving data from server, Playing Youtube Video. I'm friendly for play audio-video file on Android device.
Depend on your app, I will finish it for no more 7 days.I am available to chat by IM, email or Skype, and would be happy to set up a convenient time to discuss the application you're moving.
Regards,