Google Inc has launched Google Wallet, an app that allows users to pay for items simply by tapping their smartphone on an NFC reader in a store, officially launched today. This plan was announced back in May, This Google Wallet a Free app allows its users to store electronic versions of their credit cards on their smartphone, and pay for items simply by tapping their phone on a near field communication (NFC) reader at a store’s front counter. At the moment it only works with Google’s Nexus S 4G phone, on the Sprint network. Needless to say, the number of cards, devices and networks is expected to grow soon. One of the important benifit is that Special Google Offers will also be made available to users, and will automatically sync with their Wallet. Other Major companies has these kind of payment technology like Orange, SIMlink, SAGEM, and Visa.