Bifi has updated his Franky development page with new conversion tools for cross development from Armando Pérez Abad. These are binaries for Linux, OS-X and Win32 of:
- SR52SMS
SCREEN 5 to Franky Mode 4 Tile converter (8*8 pixels) - SR52SMSSPR
SCREEN 5 to Franky Mode 4 Sprite converter (8*16 pixels) - C sources of mentioned tools
- Z80 sources with example code of how to use Franky Mode 4
These tools can be downloaded from http://bifi.msxnet.org/franky/
supersoniqs 
Hi,
There is an alternative SG-1000 ROM loader for Franky, Musical Memory Mapper and Playsoniq that it does not require an external monitor.
http://www.msxvillage.fr/download/download.php?id=169
Enjoy.