These are our NFC Intent filters nfcAdapter.ACTION_TAG_DISCOVERED — NFC tag discovered. nfcAdapter.ACTION_TECH_DISCOVERED — NFC tag discovered and .To start you off, I'd suggest shelving the phone reader idea at the start. See if there's some CFW out there that can read Amiibo tags from a file using a custom key interrupt trigger. Once you have games talking to your Amiibo file, you can work on connecting that file to a tag writer in your .