The SlingStudio product is only available within the continental United States (the United States except for Alaska and Hawaii) and Canada.
SlingStudio has only been developed for use with NTSC cameras, which are typically used in North America.
In addition to that, Wi-Fi regulations vary from country to country and from region to region, and SlingStudio products are currently designed only for use with United States and Canadian Wi-Fi specs.
Finally, the various SlingStudio apps are only available for U.S. and Canadian customers: