A4C offers the Samsung TecTiles NFC Tag 5-Pack for Android Phones for $4.95. Coupon code "FALL10" cuts it to $4.45. With free shipping, that's a buck below our June mention and the lowest total price we could find now by $2. These tiles are compatible with Galaxy S3, S2, S, Note, Note 2, and possibly other older model phones. They can be customized to launch apps, send text messages, share contact information, or change phone settings when you're in a chosen room or office. Deal ends September 24.