NewTek NDI® Network Device Interface technology enables compatible systems, devices, and applications to connect and communicate over IP to share video, audio, and data. That means cameras, Android tablet or iPhone with NDI® software can easily be integrated via the NDI plugin as a video source in OBS. With guppyi scoreboard GUI can then be displayed on the NDI source the score and other information graphics.

guppyi scoreboard and NDI Source

obs-ndi – NewTek NDI™ integration into OBS Studio