A compact credit card reader from Bangalore-based Ezetap Mobile Solutions has received approval in India. The device, which also accepts signatures, works with an Android smartphone to mimic the functions of a point-of-sale terminal -- but it also "can be customized to specific business needs and also be integrated with the business' back-end system, thereby making the process very efficient," said Muge Yuzuak, country head for cards and personal loans at Citibank India, which is using the reader.

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