Features include:
* Backup memory and save state support, state files from FCEUX should work on NES.emu and vice-versa.
* Supports ROM-based games in .nes and .unf formats, optionally in zip files
* Famicom Disk System emulation using .fds files (select your BIOS in the options first)
* VS UniSystem support, push Start to insert coins
* Uses FCEU-compatible cheat files (.cht extension) with editing features
* Zapper/Gun support, touch screen to fire, touch & hold outside of display area to simulate firing away from the TV
* Configurable on-screen multi-touch controls
* HID Bluetooth/USB gamepad & keyboard support compatible with any input device recognized by the OS (MOGA Pro, etc.), Wii controllers also supported if running Android 4.1 or lower, all devices support custom key profiles
* Works in any orientation

No ROMs are included with this app and must be supplied by the user. A number of public domain games/demos are available at www.pdroms.de. Transfer games anywhere to your internal storage/SD card and browse to them from within the app (default SD card directory is /mnt/sdcard).