YESS ANDROID ROX!!
I hope you are searching for cool apps in this thread, if not, ignore my post.
2 Player Reactor
3G Watchdog
Air Control
Bubble
Barcode scanner
Chrome to Phone
ChromeMarks
Dropbox
Evernote
Firefox
Glyder@ 2 (only via samsung apps)
Google Sky Map
InBrowser (incognito browser like Incognito mode in Chrome)
LastPass
Metal Detector
Moron Test
MyBackup
MyProfiles Lite
PapiJump
PES2011
Quadrant Standard
Reckless Racing
Remote Desktop
Shazam
Skype
Slice It
Speed Test
Speedx 3D FREE
Touch the Numbers
Twitter
Ultra Voice Changer
Wattpad
Wikitude
(from those most popular) there are also more cool apps if you're using rooted phone like AdFree (removing ads in apps) or droid VNC server.