[HTC Incredible S] butamankun:
thank you for your quick reply.

ls /data/app/ result:

com.google.android.apps.docs-2.apk
com.google.android.apps.googlevoice-1.apk
com.htc.rosiewidgets.note-1.apk
org.codeandroid.vpnc_frontend-1.apk
com.fsck.k9-1.apk
com.wasserwaage-1.apk
com.a0soft.gphone.aTrackDog-1.apk
jp.joao.android.mccoupon-1.apk
com.google.android.apps.maps-2.apk
com.google.zxing.client.android-1.apk
ESFileExplorer.apk
jp.onthego.iphone.mccoupon-1.apk
com.cerisierbleu.qac-1.apk
com.seesmic-1.apk
com.fd.httpd-2.apk
de.schaeuffelhut.android.openvpn.installer-1.apk
com.gmail.nagamatu.radiko-2.zip
jp.takuo.android.mmsreq-1.apk
net.andchat-1.apk
com.com2us.sliceit-1.apk
AdobeReader.apk
com.Double.FasterFix-1.apk
jp.softbankmobile.android.livewallpaper-1.zip
at.abraxas.powerwidget.free-1.apk
jp.co.rcsc.yurekuru.android-1.apk
com.metago.astro-1.apk
com.toremote.vncmanager-1.apk
com.noser.droidinfo16-1.apk
jp.aonosoft.android.notepad-1.apk
com.evernote-1.apk
install_flash_player.apk
com.rechild.advancedtaskkillerfroyo-2.apk
jp.twiple.android.quake-1.apk
com.opera.browser-2.apk
net.uhmaro.android.rosen-1.apk
com.tonchidot.sekaicamera-1.apk
com.NamcoNetworks.international.PacMan-1.apk
uk.co.nickfines.RealCalc-1.apk
com.agilesoftresource-2.apk
org.connectbot-1.apk
mhe.mhenv_analyzer-1.apk
com.access_company.android.ibunko-1.apk
com.google.android.apps.chrometophone-1.apk
com.justsystems.atokmobile.service-2.apk
com.speedsoftware.rootexplorer-1.apk
goldenshorestechnologies.brightestflashlight.free-1.apk
jp.radiko.Player-1.apk
com.google.earth-1.apk
net.nanabit.callconfirm-1.apk
jp.benishouga.clipstore-1.apk
Maps.apk
com.matsumo.mysbchecker-1.apk
com.eclipsim.gpsstatus2-1.apk
Quickoffice.apk
com.dev_android.webdav.free-1.zip
com.kmagic.solitaire-1.apk
wni.WeathernewsTouch.jp-2.apk
com.skype.raider-1.apk
com.hatena.android.coco-1.apk
jp.androdev.historyeraser-1.apk
com.manor.currentwidget-2.apk
com.yota.screentest-1.apk
com.estrongs.android.pop-2.apk
com.codesector.speedview.free-1.apk
com.toremote.serversmanager-1.apk
com.hasbox.tproxy-1.apk
jp.softbank.mb.mail-1.apk
com.metago.astro.network.bluetooth-1.apk
jp.co.softbank.wispr.froyo-1.apk
mhe.mhenv-2.apk
ru.org.amip.MarketAccess-1.apk
jp.co.webimpact.ty.darairc-1.apk
com.hatena.android.accounts-1.apk
com.keramidas.TitaniumBackup-1.apk
com.androidapps.spare_parts-1.apk
com.simproductions.bachanger-2.apk
org.uguess.android.sysinfo-1.apk
com.geeksoft.screenshot-1.apk
com.koushikdutta.rommanager-1.apk
com.adobe.flashplayer-2.apk
de.schaeuffelhut.android.openvpn-1.apk
ru.org.amip.ClockSync-2.apk
com.skvalex.callrecorder-2.apk
com.riteshsahu.APNBackupRestore-1.apk
ms.salt.en2ch2-1.apk
org.zwanoo.android.speedtest-1.apk
Facebook.apk
com.pm9.flickwnn-1.apk
luck.of.wise.emailpicker-1.apk
jp.co.c_lis.ccl.morelocale-1.apk
com.aurorasoftworks.quadrant.ui.standard-1.apk
com.suchagit.android2cloud-1.apk
com.roozen.SoundManager-1.apk
nu.tommie.inbrowser-1.apk
com.anifree.anipet.aquarium-1.apk
PolarisOffice.apk
com.google.code.apndroid-1.apk
com.redirectin.rockplayer.android.unified-1.apk
com.countercultured.irc-1.apk
com.xelacorp.android.batsnaps-1.apk
im.mercury.android-1.apk
com.zenpie.genialwriting-2.apk
jp.co.jorudan.nrkj-2.apk
com.benigumo.useragentswitcher-1.apk
com.justsystems.atokmobile.trial.sbm.service-2.apk
com.google.android.apps.maps-1.apk
net.androidcomics.acv-1.apk
tv.ustream.ustream-1.apk