Google launched Schemer but for the time being you can get access to it only by invitation. I have good news for you (as I already got an invitation): the first 20 visitors that will +1 and Like the blog using social buttons on the right and will leave a comment that they are interested about it will receive an email with the invite link.
What is Schmer? Schemer is an application that could help you to do cool stuff. Whether it’s exploring a new city, checking out a friend’s movie recommendation, or just finding new activities for your weekends, Schemer lets you discover new things to do, share schemes with friends, and make the most of your day.