The Sky Build has nice background pictures and the good interface as well. The SKY Build is one of the famous build that you can install on Kodi. On the unofficial kodi addon category the addons are developed by the third The official kodi addons for video, music or any other type of media content is developed by official kodi team. The Kodi supports two types of addons which categorized as official kodi addon and unofficial kodi addon.
The Sky sports Kodi addon is an third party addon and it is not officially supported by kodi team.