The seven-year-old from Rowley Regis has a Neuroblastoma form of cancer and has been in and out of hospital since the age of two-and-a- half - she is currently in palliative care. But to make her feel ...

I will quote a lot of times from this official document, see the full document here: https://developer.android.com/develop/connectivity/nfc/hce This app explains how ...