У вашего броузера проблема в совместимости с HTML5
This is the easiest way to decrypt, edit (add / change files) and rebuild ROMs as .3ds or .3dz. No .rsf's or anything, it's simple. 4.x - 9.2.
Many people seem to think this is a virus, but here's proof it's not (read a few posts down): https://gbatemp.net/threads/release-3ds-lazy.374224/page-8#post-6550702
---DOWNLOADS---
Easy ROM Hacking: http://adf.ly/1aqYaH
Launcher.dat: http://adf.ly/1R50dO
Unzip it and all the files will be there.
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