The iNES-Android 3.9.12 emulator is on Google Play now. It adds the new Virtual Joystick Editor, replacing the old Layout Editor. The new editor lets you independently resize buttons and shows button labels and gravity. Also, the Assign Keys dialog will show current key assignments.

• Now showing current key assignments in "Assign Keys".
  
• Replaced "Edit Layout" option with "Edit Virtual Joystick".
  
• Buttons can be individually resized in Joystick Editor.
  
• Added scale, shape, and transparency options to Joystick Editor.
  
• Added gravity indication with dotted lines to Joystick Editor.
  
• Added button labels to Joystick Editor.
  
• Removed separate joystick size, shape, and opacity settings.
  
• Reordered items in the "Input" tab.