Dear Manager,
Thank you for your project posting, I am very interested.
I think I am the best developer who you are looking for.
I have good experience with developing social & photo & Fitness apps.
And I have also good experience with deveoping many 2D, 3D games.
I am good at not only app developing, but also backend and webservice building.
I would like to discuss further details about your project via Skype call or chat.
I work more than 60 hours per week.
Once you hire me, I will get in working on your project immediately.
Looking forward to good news from you soon.