I can´t quit Beta Program from Minecraft Pocket Edition for Android (1.17.2) and some of my Worlds cannot be opened

Hello there.

It's been a while since I was a member of the Beta Program, and after a couple of bad experiences (and problems with the worlds I created), I've decided to quit the Beta Program.

But, as I have already quitted from all my devices and uninstalled the Beta Version of the app and wait a day or more for the program to quit, I install again the app (as Play Store now states that I'm no longer a member of the Beta Program), and I open the app, but it stills Beta.

I´m tired of this situation and I want this to be solved ASAP.

 

Thanks.