Sega Game Gear Emulators for Android

JavaGear's port to Android.

Sega Master System and Game Gear Emulator

RetroArch is an open source emulator interface for Android (and beyond). Read more: https://wikipedia.org/wiki/RetroArch. For emulation, you need to select and download the appropriate emulator kernels in the RetroArch interface.
There are emulator cores:

• 3DO
• Amstrad CPC
• Neo-Geo
• Atari 2600/5200/7800
• Atari Jaguar
• Commodore computers
• MSX
• Fairchild Channel F
• NEC PC Engine / CD
• Nintendo 3DS
• Nintendo 64
• Nintendo DS
• NES
• SNES
• Sega Genesis / Mega Drive / Sega CD / Mega CD
• Sega Master System / GG
• Nintendo Game Boy / Color
• Nintendo Game Boy Advance
• Sega Dreamcast
• Sega Saturn
• Sony PlayStation
• Sony PlayStation 2
• SNK Neo Geo Pocket / Color
• Sony PlayStation Portable
• MAME core
• Mednafen core

Full list on the project website. You can download RetroArch on Google Play or on the official website.