Build Andriod and IOS App

I have a project that requires the following; (1) You will consume a JSON aspx web services, download user credentials and save in the device such that authentication would be done via phone, except you have changed the password using online app, the you need to re-download the credentials. Though we have change password, see later. (2) Call webservice that would be provided and through the response based on the success of the transaction. (3) Before each transaction, you need to get the useful static value before you start else value might change and the customer might not be happy. (4) Call a webservice to download transaction history and save on the device should incase the user dont have internet (5) Before any call to the webservice, there must be authentication. (6) Reset Password module (7) Change password module (8) Edit profile Module (9) Registration Module (10) The mobile app will carry same template(Look and feel) with the parent web app. (11) The parameters for mobile app will be specified for security. (12) Ability to query the status of the any transaction (13) Develop with best development tool (14) Release the code and a system will be made available via remote you install the code and run, and compile successfully and test that would be used to check the QA before release for both andriod and IOS (15) You need to train and handover to someone who will maintain the code and the project closes. (16) Ticket management, download from the webapp, any addition should be sync with the web app via webservices. (17) After 15 above, if any changes you will bill fairly , agreed and payment method will be agreed.