The card applications in summary, is to send images with text attached to the image.
The features should include:
* Integration with social networks, so the user can send the image through facebook, twitter, blog, email, whatever he sees fit.
* Integration with in app purchases, so the user can buy a set of templates to suit his style or need.
* Stamps, little images that could complete or modify the image to the users taste.
Please, read the attached file that includes all the information and examples of what we're looking for.