This app is an online emulator of Nintendo, Super Nintendo, Sega, GameBoy, GameBoy Color, GameBoy Advance, MAME32, and DOS Game in your browser. 
Open a ROM file from your computer, URL or from Google Drive™, and Play the game directly in your browser.
Provides connect with Google Drive™. You can open a ROM file from Google Drive™ directly.

Supported ROM formats: NES(nes), SNES(smc), SEGA(gen, bin), GAMEBOY/COLOR/ADVANCE(gb, gbc, gba), Zipped ROM file(zip), MAME32 Zip file, DOS Game Zip file. 
Mame32 emulator does not support some games.
Supports only the latest browsers.