Neo Geo Cd Emulator Android [better] Link
You need to provide your own BIOS files ( neocdz.bin , neocd.bin , neocd.bin for top/bottom/midi) and game ROMs in CHD format to save space.
Of course, the ethical shadow of emulation looms. Legally, you need to dump your own BIOS and game discs. But realistically, the Android Neo Geo CD scene thrives on converted CHD or ISO files. This is its greatest tension: you are enjoying a long-dead console’s library not because you own the rare discs (which now fetch hundreds on eBay), but because the emulation community preserved them. neo geo cd emulator android