Even if it’s quite slow and there are some difficulties, Expeditus project’s developing is going on. Dialogue’s system is ready, but it is not possible yet to give answer (like a simple YES/NO): this feature will be soon implemented.
At the end of this post, a gif image shows Expeditus dialogue’s system in action. It is a little tribute to Pokémon Gold Version, from which I took the introduction dialogue by Prof. Oak.
If you want more frequent and detailed information, please follow the official repository.
Update: a little animated cursor is now present at the bottom-right corner.