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

SMS, GG & their predecessors (SG1000, SC3000, SF7000 and Mark2) emulator for Android has been updated. Changes:
- now automatically saving state on exit, letting you restart where you left off;
- changed virtual joystick to make fire buttons more comfortable;
- MIDI recordings are now named after original program files;
- fixed audio latency controls, try setting your latency to 100ms;
- fixed MIDI soundtrack logging;
- reduced minimal audio latency.
News source: http://www.emucr.com