Man, you are unique; you make my day. Thank you. Now it's working. Many users told me I must have a new set of MAME ROMs. I work a lot for this set of only 4 GB.
I import the ROMs from Android transfer via LB on Windows, which is very easy.
One thing I want to know is how I enable the screen to appear in MAME settings, like on Windows, via the TAB key. Where I can choose cheats and other stuff, I don't want to do it via RA; I prefer old school via MAME directly. Is it possible?
Also, I prefer the Xbox series Bluetooth controller 🎮 Is there a way to configure one time for all systems? Or do I need to do it for each?
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Update: I tried more arcade games from different systems, and I noticed that not all are working, for example Capcom system III not working at all, other systems working, but has glitches in the graphics.
Can you tell me please what other settings should I change?
RetroExecutioner's post in Arcade MAME 0.253 ROMS, RUN IN BLACK ON ANDROID! was marked as the answer