Re: [android-developers] Re: does NFC in gingerbread support card simulate?

On Thu, Aug 30, 2012 at 12:02 AM, Michael Roland <mi.roland@gmail.com> wrote:

>>
>> https://play.google.com/store/apps/details?id=com.mobilesuica.msb.android
>>
>> Does it really work with stock Android? I always assumed that it uses some
>> proprietary protocol and driver to talk to the FeliCa chip. The whole thing is
>> proprietary and patented all over, but they do have web services that do
>> their proprietary key derivation (iCAS), so it is possible that it's
>> done online.
>> The other alternative is a dedicated derivation chip, but those are expensive.
>
> Seems to be all Japanese (& Google translate didn't help much either).

Nothing useful there, they just list the wonderful services you can use with
the app.

> As it doesn't request NFC permisssion and works with Android 2.1+, I
> would assume that it works completely online. Or maybe there is some
> proprietary interface for FeliCa on Japanese Android smartphones?

It doesn't work on a international Galaxy Nexus saying it doesn't support
'osaifu keitai' (the Japanese FeliCa-based NFC wallet), and generally
FeliCa needs a dedicated SE, so I assume it's checking for the chip.
They use a custom permission (MFC_ACCESS, probably from
MobileFeliCa, so that would mean proprietary interface.

Osaifu keitai has been available on mobiles long before NFC became
standard on Android. Here's a list of supported devices (in Japanese),
but you can see it goes all the way back to 2.1.

http://www.jreast.co.jp/mobilesuica/whats/models.html

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