The file is a digital "key" file used to unlock Jotego's beta arcade cores for FPGA-based gaming systems like the MiSTer FPGA and the Analogue Pocket .
Jotego is a prominent developer who creates highly accurate FPGA implementations of classic arcade hardware. While his cores eventually become public, new or "beta" cores—like those for The Simpsons , or various Capcom boards—require this file to run. How it Works jtbeta.zip file is provided exclusively to Jotego's Patreon supporters (typically at the $5/month tier). : It acts as a "beta key" ( jtbeta.zip
Let me know how I can assist further!