Important message and please give feedback

For a long time there was no update in the Playstore. That has a reason. Google requires a specific program version as of Nov. 2018
(Api 26, https://developer.android.com/distribute/best-practices/develop/target-sdk).
This brings some changes to the app. Flashing speeds in the hardware LED are no longer supported and possibly even more.
All other LED apps have not been updated yet.
But I’d like to provide you with new features, bug fixes, and above all, security.
For discontinued features, I would offer a special version of my app on my website. What do you all mean. I ask for feedback! Thank you. Kind regards Feedback https://m.facebook.com/story.php?story_fbid=2366086403424724&id=514558571910859