These are sample applications to be used with Tropo ( http://www.tropo.com/ ) They were discussed in a webinar on November 30, 2010, that is available here: http://blogs.voxeo.com/jamsessions/2010/11 You are free to use all of these sample apps in your own Tropo account to build Twitter apps. To get started, head over to: http://www.tropo.com/ and sign up for a free developer account. You can also check out the Tropo blog at: http://blog.tropo.com/ for articles relating to building Twitter apps on top of Tropo.