It is important to address the legal status of emulation. Emulators themselves are legal software programs. However, downloading copyrighted game ROMs or ISO files from the internet without owning the original physical media is generally considered a violation of copyright law in most jurisdictions.
Because the Neo Geo CD is a retro system, these games are considered "Abandonware," though SNK owns the rights. neo geo cd emulator android
Do you prefer or a physical Bluetooth controller ? It is important to address the legal status of emulation
The most common format. The .cue file acts as a text tracklist pointing to the .bin data and audio tracks. these games are considered "Abandonware