A maintenance release of fMSX-Android 3.7.13 fixes the battery drain that occurs when fMSX goes into background mode while using legacy sound. Also rearranged the Settings and added the new "Emulation" tab. Get the new fMSX while it is hot:

https://play.google.com/store/apps/details?id=com.fms.fmsx.deluxe (full version)
https://play.google.com/store/apps/details?id=com.fms.fmsx (free version)

• Fixed battery drain when fMSX runs in background.
  
• Added Emulation section to the Settings.
  
• Moved some options from Input and Video sections to General.
  
• Reordered Settings by importance.