In theory, yes, it could be done. The challenges are that NFC uses a relatively low frequency (13.56 MHz), which requires a longer antenna (22 meters). The second is that NFC tags are powered by the reader, so the signal at ...
one5, here is a formatted and sorted list. You're welcome to use it in Post #1 if you'd like. I've attached the source (in vbulletin markup) to this post.
Chase Credit Cards
Visa payWave Cards
There may not be a technical reason for limiting the Play Store to certain countries.
Allowing sales in a country opens up all kinds of legal liability. You have to be able to collect and submit applicable taxes, adhere to fair trade laws, deal ...
It would be really be more feasible to just buy a different battery with NFC support. Trying to add an NFC antenna to the phone would be a lot more work than it's worth.
On the Nexus S, the antenna is built into the phone's backplate.
. . . is the second coolest thing ever, right after Miles Davis!
I am so going to steal this!