Supporting database field plugins in the mobile app is almost impossible due to its complexity.

But we can provide a workaround for, at least, allowing students to view the content generated by field plugins.

It will require the developer of the plugin to include a new callback to render the content for external clients.

This won't allow the entry to be edit or search values, but at least, it will solve the most typical case that is visualising content.

This is very similar to what we did for blocks: MDL-63694 - get_content_for_external