How to install OAuth Helper?
OAuth Helper is available in the official Kodi repository which is included by default in Kodi. You can install this addon by going in Kodi to System >> Settings >> Addons >> Get Addons >> XBMC.org Addons or Kodi.tv Addons
About SuperRepo and OAuth Helper
SuperRepo does not maintain OAuth Helper. We only provide an automated index for Kodi users to have easy access to OAuth Helper and other addons for Kodi. We are not affiliated with the developers (Rick Phillips (ruuk)) and do not provide help for this particular addon.