Sega Mega Drive / Genesis Emulators for Android

Great Sega Genesis\Mega Drive, Sega CD and Master System, Mark III emulator for Android. Based on Genesis Plus. Emulator source code is open under GPLv3 license.

• 6-button controller and 4-player multitap support
• SVP chip support for Virtua Racing (needs a fast device)
• Backup memory and save state support, auto-save and ten manual slots for save states.
• Supports ROM-based games in .bin, .smd, .gen, and .sms formats, optionally in zip files
• Configurable on-screen multi-touch controls & keyboard support (needs Android 2.1+ for multi-touch)
• Multiplayer-capable Wiimote + Classic Controller and iControlPad support
• Portrait/Landscape orientation support

Sega Mega Drive / Genesis emulator. Good compatibility, lots of customization options.

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.