I've been playing Second Sight, and I'm experiencing an issue that I've never seen with Nintendont:
The game works fine, until a certain point: In chapter 2, you play through a training course, and in a very specific loading screen; the game stops working.
You can still hear the ambience sound effects but the game wont load. It happens just in this point.
The dump i'm using is the correct one, has the same CRC-32 and MD5 that Redump says is the good version.
I find this very interesting, because after a look on google, it was supposed to be fixed looong, long ago:
https://gbatemp.net/threads/nintendont.349258/page-518
I'm using version 4.419, for the record and tried on different usb devices.