In theory, yes, but in reality, neither of those two plugins work on mobile, and mobile support is not being worked on, as far as I can tell.
I know @aidenlx has mobile support on the roadmap for Obsidian-Zotero, but I don’t know how he intends to achieve that. Perhaps through the Zotero Web API, or an exported library, like you mentioned?
@Christian Has made a script that connects to the Zotero web API using QuickAdd, which can generate literature notes on mobile: How I Read Research Papers with Obsidian and Zotero | Christian B. B. Houmann