From what type of media it can recover the images, movies and music ?

It can recover virtually from any kind of media that can be recognised as a drive letter in your PC.

 What are the cases where data can be recovered ?

Kernel Suite recovers files:
• formatted memory cards;
• corrupt mmc, xd or any other type of memory card;
• After the partition with the files was reformatted, even for different file system;
• When the partition structure on a hard drive was changed or damaged;
• From hard disks or other data storage media with bad sectors.