Android and iOS Wallet Application Developer

General information for the business: Sell Wallet Applications
Kind of development: New program from scratch
Description of every module: Increase conversation by streamlining your purchase flow on mobile apps and websites through this new application that will be modeled similarly to either Google Wallet or Passbook. Would like to increase your purchase flow on mobile apps and other websites ranging from e-bay to amazon, Google Play, Etsy and the iTunes App Store. Be able to make purchases directly from the app without having to constantly maintain and re-input a password as well as using some type of SSL security measures to protect personal information.
Description of requirements/functionality: Error messages should be sent via diagnostic emails as well as displayed on the screen. Diagnostic emails need to be sent to owners of app as to troubleshoot and develop bug fixes.
OS requirements: Windows, Mac OS
Extra notes: We are welcome to your suggestions.