I have published iNES-Android 3.9.8, a new version of my NES and Famicom emulator:

https://play.google.com/store/apps/details?id=com.fms.ines

This update improves DropBox integration. You are no longer required to enter password every time you access the DropBox and your gameplay is automatically saved there. Both DropBox and Gallery now work on Kitkat. See below for the complete change list.

• DropBox no longer requires login every time you open it.
  
• Gameplay saved back to DropBox after you are done playing.
  
• Added Gallery support for SD card folders on Android Kitkat.
  
• Added DropBox upload from SD card folders on Android Kitkat.
  
• Hopefully fixed "O" button on Sony Xperia gamepads.
  
• Improved decorative background in the portrait mode.
  
• Upgraded DropBox SDK to the latest version.