Dear Manager,
Thank you for your project posting, I am very interested.
After posting, I feel confident to finish your project perfectly because I have good experience with developing many apps so far including what you are going to make.
I would like to discuss further details about your project via Skype call or chat.
After you award your project to me, I will start working immediately and will work my full time to finish your project as soon as possible.
Looking forward to good news from you soon.
Sincerely,
shineiron0708