Cardcloud. Available for iPhone, Blackberry, Palm, Nokia and Android phones, Cardcloud is easy to use. I went on the site and registered, then created my card. Once the app was downloaded, I was ready to share my card or email it to someone. You are also able to flip over the card and add any information you need to add. Here's a short video which shows you how to set up your Cardcloud account. (this one is for iPhones, but their site has support to help you through the process with other smartphones. Save a tree today.