App rejected by Play Store due to copyright policy. Which alternative stores can I try that support Kodular (I mean ads)?

[Still-learning (1-2-3-4...)]

I hope amazon…

Yes it is…

What is the best (trusted by users) Android app store that accept app inventor?

I’d say Amazon App Store. It does not charge any developer fee, so you can publish your app right away. Also, considering the Windows 11 announcement, you will have to use it to make it available for Windows.