Thanks to the guys of sandboxteam for this great software
We can now do the following :
Format memory cards
Install / remove firmwares
Backup / restore firmwares
Backup flash firmware (restore to flash is not yet available).
Swap management, with a global management for all firmware
Boot menu management
CAUTION: The use of the image Juliet 2.0.5 B in flash seems to pose various problems at the time of the use of other images in multi-boot, this image was not based on the CVS 2.0.5 final.