NES.emu Free

A great NES emulator for Android devices. NES.emu Free is open source and also has a rich feature set.

Features of NES.emu Free emulator:

• Accurate emulation and high compatibility;
• Memory backup and save state support, automatic save, and ten manual slots for save states;
• Supports .nes and .unf ROM-based games, optionally in .zip files
• Emulates Famicom Disk System with .fds files
• Support for VS UniSystem, press Start
• Support for Zapper / Gun, touch screen for shooting;