Update README.md

hexdigest · Oct 1, 2014 · b7867cb · b7867cb
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-ruby-nfc
+About ruby-nfc
 ========
 
-NFC library for Ruby programming language
+This gem brings some NFC functionality for Ruby programming language.
+It allows to:
+* Read and modify contents of Mifare tags
+* Send APDU commands to Android HCE or Blackberry VTE devices
+* Communicate with dual-interface smart cards like Master Card PayPass or Visa payWave cards
 
 Prerequisites
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