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

NES emulator for Android has been updated. Changes:
- Now defaulting to OpenSLES native audio, for minimal latency.
- Now recycling bitmaps to avoid Bitmap.nativeCreate() crashes.
- Added new "contour" joystick shape (see "Virtual Joystick Shape" setting).
- Added "Audio Rate" setting, for controlling sampling rate.
- Added "Native Audio" setting, for disabling OpenSLES.
- Fixed stutter during NetPlay connection process.
- Fixed audio always setting initial 100ms latency.
- Fixed audio pause when activity pauses or resumes.
News source: https://play.google.com