The uBlock Origin can be installed.
The "+Add to Firefox" is disabled and the "This add-on is not compatible with Firefox for Android." banner is displayed.

@softvision-miralobontiu This was intentional and a product decision to start with a curated set of add-ons via the native UI only. So, we deactivated this for now.
@csadilek should I close this? Or label it as a feature request?
@softvision-miralobontiu I think we can close, afaik, current plan is to keep using the native UI for the foreseeable future.
@softvision-miralobontiu verified with @vesta0, closing :).
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@softvision-miralobontiu verified with @vesta0, closing :).