The Game Master (also known as the Systema 2000, Super Game, and Game Tronic) is a handheld created by the German electronic company Hartung in the year 1990 to compete with Nintendo's Game Boy. The company Systema branded the Game Master under the name "Systema 2000" in the United Kingdom and went under the name "Super Game" in France.
Unlike the other Game Boy clones that were made, the screen on the unit is a 64x64 LCD screen that can only display 2 monochrome colors on it.
See the ripping progress list here
MESS is currently the only emulator available that will run Game Master games in full. However, the emulator for the Game Master currently has issues with emulating sound and the screen size is stretched out and difficult to see.