Cross Promotion

[fekj97]

Someone here knows that cross-promotion system used nexxstudio and ketchapp.

Or if you know a similar system???

http://cd8ba0b44a15c10065fd-24461f391e20b7336331d5789078af53.r23.cf1.rackcdn.com/iphonedevsdk.vanillaforums.com/editor/5f/41a8udahp8g2.png