You are now running the most powerful Neo Geo emulator on mobile. Respect the BIOS, and the BIOS will respect your frames-per-second.
NEO.EMU is a low-level emulator. It doesn't "guess" how a game loads. It virtually powers on the CPU and asks the virtual BIOS to load the game, just like real hardware. No BIOS? The CPU has no instructions to run. neo.emu bios
(Deducting one point only for the friction caused by the legal necessity of manual file sourcing). You are now running the most powerful Neo