Apps

Cutetube, feature rich youtube client
Firefox + Flashplayer for playing flash on web
Extraplugins for MSN, Yahoo IM, etc
Gtalk Vide Call
EbuddyXMS / Web2SMS
FlickerUp
Cloudgps for Google Maps
File Manager
FM Radio
Nokia Internet Radio
Restartme
Qstardict
AroundMe
Remote For N9

For Showing Off
Nitdroid ICS

For Killing Time
Word Tiles
Heego
Emumaster
Note that all the above Apps and Games are available in Ovi store except the Nitdroid