Whether these emulators support operating systems for these consoles is unknown; it must be looked into further. Consoles without meaningful OSes are not included.

Nintendo Entertainment System – CrabEmu (?; see SMS listing for link)

Nintendo Game Boy (Color) – Ohboy (creator is evil, cross-compile yrself and release it)

https://www.youtube.com/watch?v=ylfP6W46-Ic

Nintendo Game Boy Advance – gpSP git port

https://elinux.org/Didj_gpSP_GBA_Emulator https://github.com/nirvous/gpsp_lf1000 https://www.youtube.com/watch?v=UVRG8Wg9YjY

Sega Genesis/Mega Drive – Dgen (creator is evil, cross compile yrself and release it)

https://www.youtube.com/watch?v=rha3x7xDNgA

Sega Master System – CrabEmu (?)

https://elinux.org/LeapFrog_Pollux_Platform:_Emulators_And_Games https://www.youtube.com/watch?v=DIv8ZlwknBc

working explorer kernel with at least framebuffer driver

While the Explorer already is based off of a Linux kernel, certain JTAG/UART based exploits can enable fully using the kernel found on the Explorer. Possibilities within X11 or proper “computing” appear to be limited, however.

https://elinux.org/LeapFrog_Pollux_Platform

https://elinux.org/Leapster_Explorer:_mplayer

https://www.youtube.com/watch?v=BsxBOV-eOj0

https://www.youtube.com/watch?v=4enTW0iBXtw

For general information, see the Game Console Revisions Overview.

I need finishing

There are two(?) versions of this console, arranged chronologically.