FYI for next time you're buying, you can install Firefox on Android, although this is perhaps threatened by Google's planned changes to user's ability to install software.

Here, this will help with that

https://kagi.com/orion/

Only works in iOS

I think you need to read the comment I was responding to a bit more carefully. (Hint, they would not have made that comment had their kid had an Android tablet)

But you don't need it for Android... Can happily install uBlock Origin on bog standard Firefox there.