Marvin is an emulator for the ZX Spectrum which allows you to play thousands of ZX Spectrum games. hot
Beebdroid is an open source emulator of the BBC Micro for the Android platform. The BBC Micro was a microcomputer built by Acorn and released in 1981.
Droid800 is an open source Android port of Atari800, an Atari 800, 800XL, 130XE and 5200 emulator.
Frodo C64 is a popular Commodore 64 emulator ported to the Android platform.
UAE4Droid is an Amiga 500 emulator for the Android platform. It is based on UAE4All.
VICE is an open source Commodore 64 emulator for the Android platform.
Zed Ex is an emulator for the Sinclair ZX81, a hugely popular home computer that was a low-cost introduction to computing for the mass public.