Dear Sir/Madam,
I'm an expert mobile software developer and game designer, making apps and games since 2002 for various platforms.
From your description and based on my experience, I can develop your app for the cost & time indicated.
Please note my bid includes:
1) Source code made available to client.
2) 2 years guarantee *
3) 1 year free technical support to client and software end-users *
4) Free submission of version one to the platform main distribution channel.
* - Code must remain unaltered by third-parties
Any question, please feel free to ask.
Please find my portfolio in my profile.
Kind regards,
Telmo Amaro