Emulicious (2015/05/26) 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

Emulicious (2015/05/23) Changelog:
But besides a precise emulation Emulicious has additional functions:
- Auto update
- Adjustable Turbo
- Adjustable Engine
- IPS Patching
- Status Backups (Master System / Game Gear only)
Tools (Master System / Game Gear only):
- Debugger
- Palette Viewer, maps, scripts, sprites ...
- Tracer memory



Download: Emulicious (2015/05/26)
Source: Here