If you are looking for a review for a generic encryption or security tool of this nature, Review: Endrypts Advanced v12 Rating: ★★★★☆ (4/5) Pros:

The Guide to eNDryptS Advanced: Essential for Retro DS Emulation

If you are looking for this tool to play games on a modern modded console, simpler methods now exist that don't require manual encryption management: TWiLight Menu++

Downloading Advanced Software:

Trusted Sources: Only download the utility from established gaming and emulation communities like GBAtemp or the Internet Archive.