Windows Phone 8 adds new interesting feature – the Wallet – which helps users to manage their virtual cards (membership, credit, debit), coupons and use them for in-app and real-world transactions. The documentation states, that Wallet helps users to: Collect coupons, credit cards, memberships, loyalty cards, and more in one place. Manage the payment instruments that they use in the app and music store. Link items in the Wallet to apps on their phone. Make contactless transactions, using Near-Field...