Design 6 NFC enabled window stickers

Hi, we are the company who loves NFC. We would like to offer more fun to NFC users.
Therefore we are looking to create 6 NFC enabled window stickers. So what is the purpose of the sticker?
Definitely to get customers attention and make them excited to scan the sticker and take an action. The design of stickers should be inventive clean and match our company design. (We can provide all necessary files.)
What artwork do we need to be done?
•Size: 8.5 x 11 cm (2x size of credit card)
-Double side (one side attached to the glass)
-Two possible options:
1) Front and reverse side consist the same images
2) Front and reverse side consist different images
•Purpose:
- In all cases it should have instructions how to place phone
to scan the sticker
- It should call upon customers to take an action:
1)Like on Facebook
2)Follow on Twitter
3)Google +1
4)Visit a company website
5)Make a reservation
6)Shop online now
We would like to receive 3 different outline design concepts with a view to work up one as a final design. Therefore please quote in two parts. The first one for concepts and the second for the final versions.
If you think that you are the right person for the job please don’t hesitate to contact us. We are looking forward to cooperate with you and bring together something new to the NFC world.