The "classic" choice for mid-range or older devices. It supports over 8,000 games and requires ROM Set 0.139 .
There are updated versions available (sometimes listed simply as "MAME" or via front-ends). mame roms pack for android
Often hosts complete, non-profit "ROM sets" for historical preservation, such as the 0.139u1 set. The "classic" choice for mid-range or older devices