Updating content on the screen instantly from a database change or webhook

Hey all,

Would like a little advice on wappler being a good fit.

We are building a scoring system for a table top game, the game will be monitored and scored via an object tracking library and that data then needs to be scored and displayed realtime on a screen.
There will be tables with the scoring system running and they will all need to share a database of players.

The system must also be able to be run on our own server inhouse in the case the internet goes down.

The big questions here is can

1. Can we have multiple scoring systems running without internet using a single database? (The systems would be on a local network)
2. Can we feed data from openCV and display scores in realtime on the user interface? The realtime is important as scores can change from second to second