Loopion

is a powerful file search engine with deep search to contents such as:

Torrents: torrent
Audio: mp3, wma, wav, oog, aac, ope.
Video: avi, wmv, mov, flv, mpeg, divx, rm, srt, mp4.
Document: txt, doc, pdf, xls, ppt, rtf, xml, chm.
CD images: iso, bin, nrg, cue, dmg.
Archive: zip, rar, ace, rpm, exe, deb, bz2.
Typography: ttf.
Image: jpeg, gif, png, psd, [...]

When I was in Japan I bought a Nintendo DS (used) and a DS-Extreme card to launch homebrew and games.
Here is a list where you can find all games for NDS :

http://www.nintendo-ds-roms.com/ where I usally go, because it’s really fast and it bundles a lot of games but you will need eMule
http://www.espalnds.com/ already famous [...]