via http://emu-russia.net/en/

NES emulator for Android has been updated. Changes:
- Added Record/Replay feature letting you go back in time.
- Merged Freeze and Restore into single Freeze/Restore dialog.
- Added State Exchange access to the Freeze/Restore dialog.
- Collapsed all advanced menu items into single Advanced submenu.
- Made NetPlay a single checkable menu item.
News source: https://play.google.com