Hi Aakash,
Thank you for bringing the issue with the RSS feed URL in Super RSS Reader – PRO to our attention. We appreciate your diligence in investigating this issue and providing us with detailed information.
We understand that the thumbnail image is not being picked due to the recent change made by Google, and that there is no immediate solution available for this. We would like to know if this issue is a priority for you and your team, and what timeline you have in mind for fixing this issue.
Thanks.