Emulicious (2020/11/30) is released. Emulicious is a free to use multi-system Emulator for Windows, Linux, MacOS(X) and any other operating system supporting Java SE.

New features include:
SEGA Game Gear Emulation
Emulation of Master System/Game Gear Legacy Video Modes
Debugger
Palette Viewer
Tilemap Viewer
Memory Tracer
IPS Patching

http://emulicious.net/

http://www.emucr.com/2020/12/emulicious-20201130.html