What is a nds file and how do I open a nds file?
NDS, or Nintendo Dual Screen files have been encoded to enable a DS game file to be played on a computer. NDS files contain images of the ROM Flash Data inside the Nintendo DS game cartridge, and they can be played on a computer using a Nintendo DS emulator.
Relevant nds file links:How to open nds file on Youtube
How to open nds file on Wikipedia
How to open nds file on Microsoft.com