what are the must have apps for android phone(apps, games w/e, etc.) is a must have? thanks!?

[Choy]

Samsung Galaxy S2X User, thanks in advance!

[Android Core]

Lookout Mobile security - antivirus/malware/spyware/mobile backup/mobile wipe/lost-stolen gps tracking
WatchDog Lite - task manager. Please uninstall you task KILLER. Why manufacturer idiot morons still put them on Android 2.0+ phones is beyond stupidity.
Fusion VM+ - free visual Voicemail
Friendcaster Pro - so much better than stupid "official facebook app"
RingDroid - make your own ringtones from your MP3 library.
Beautiful widgets - better clock/weather/battery widgets
Zedge - free wallpapers, ringtones, notification tones for your phone
Color touch - when you get bored
photo warp - when you get bored
Skitch - when you get bored
Opinionaided - when you get bored
Astro File Manager - best file manager
Scroodleit - when you get bored
Speaktoit - This is where Apple got the SIRI idea from--- Siri=ANDROID RIP OFF!!!
Handcent SMS - greatest text app ever
1-click Cleaner - system manager to clean cache with 1 button. Run once a week
PowerAMP - greatest mp3 player with 7 band equilizer
Pandora or slacker Radio - obvious
Free MP3 Download - free music!
Moboplayer - greatest movie and video player ever
Soundhound - cause shazam sucks
Netflix - obvious

and whatever else you can think of