Well we have gone through all of the mentioned points and are sure that we can get it done by a day and max day of completion is 2-3 day..
We run a company with best developers and developed many phonegap apps,andriod,and iphone too as similar kinds of task as you supposed to be...
We are a new for freelancing site but have been working for my client f=since last 7-8 years.
Please share your code by which we could go through..
Thanks
Code4logicexpert Team