From their site: The SGN Developer Platform provides an API for social games that allows developers to plug their games into the SGN Gaming Hub and gain the benefits of mass distribution across our network, up-to-date statistics for all users, and greater user loyalty.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.