List of best applications for phone

[senter]

I use applications:

Factbook.jar
Barcode.jar
battery.jar
Blooover2.jar
Blue_Chat_1_0.jar
bookreader.jar
BT_Browser_2.0.jar
BTExplorer.jar
Calculator.jar
cellity freeSMS.jar
Chat2U_1_5.jar
Clock.jar
Compass.jar
Converter.jar
datetodate.jar
Doc_Viewer.jar
EasyJackv2.jar
excel.jar
FaceWarp.jar
Gmail.jar
GPS_Location.rar
ICQMobile.jar
IM+ for Skype Software.jar
JKeyNote.jar
JZipMan_095.jar
KD Player.jar
Light.jar
mig33.jar
MiniCommander.jar
MobilePdf.jar
MOBILEPRINT.jar
MobileRar_0_8_Halmer.jar
Mobiluck_SE_cracked_by_Xavi.jar
MobyExplorer.jar
mroute.jar
mToolbox FULL VERSION hacked by Xavi.jar
MVIDEO.jar
My2thing_1_1.jar
Nimbuzz.jar
Notepad.jar
opera122_test.jar
Opera_Mini.jar
Phone_Manager_1.0.jar
PhotoMate.jar
Pi.Consult.GAFM.v1.00.jar
Pull Face K800.jar
SkyMetric.zip
sprucedr.jar
StopWatch.jar
Torch.jar
Tracker.rar
TrackID.jar
UNTEH_MobiCalc.jar
varna_streetmap.jar
videomaniac.jar
WorldClock3D.jar
YahooGo.zip

[Taurus3]

what is the use of bar code applicton?