For you lucky folks out there that have a Sprint version of the Nexus S you should see an OTA update roll out to you in the near future. This update will bring the highly anticipated Google Wallet app to your Android device, which will finally make that NFC chip seem worth while. Samsung has said that the update is version GWK74, and that it also brings along some bug fixes. Now if you haven’t been updating you Nexus S 4G regularly you may have to try and pull this one down manually, as only those running GRJ90 will receive the notification of the update. Hit the jump to check out a video demonstrating what Google Wallet is bringing to your device.