iPad based ecommerce app

This is an e-commerce App that relies on an existing web service to access products, pricing and associated information. The App needs to support user accounts and integration with a magnetic card reader (Magtek's idynamo ios sdk). The payment section needs to include a signature capture pad as well. Additional integration with payment gateways such as Paypal, [login to view URL] and Paymenttech is required. The web service is fully tested, validated and documented A companion web app is available for review. The App needs to be completed in 3 weeks.