Free Android Apps

Tripso

Complete up to date travel guides for over 8000 destinations Triposo is the most comprehensive guide available.
Triposo apps don’t need an internet connection, even the detailed maps are all stored on your device.


WhatsApp - WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS
http://www.whatsapp.com/download/

Call Meter NG - Keep track of your mobile voice / data / text bills
http://www.appbrain.com/app/de.ub0r.de.android.callMeterNG

Offline Browser - save webpage

123clip
save webpage

Deionized

Google shopper

Nauseous

Angry Bird

http://lgp500.wordpress.com/2011/05/24/top-8-best-android-must-have-apps/
http://shrewdgeek.com/2011/10/17/10-must-have-applications-for-lg-optimus-one-p500/

Custom Rom - CyanogenMod 7.1.0 (Android 2.3.7)
http://forum.xda-developers.com/showthread.php?t=946354

For Optimus One running official 2.3.3, root using SuperOneClick.

Why install custom ROM?
http://www.androidpolice.com/2010/05/01/custom-roms-for-android-explained-and-why-you-want-them/

Super Manager - File manager, Remove stock applications

Benefits of rooting
http://sachinchavan.in/2010/12/how-to-root-android-lg-optimus-one-p500-india/

Titanium Backup

ClockworkMod ROM Manager
http://www.appbrain.com/app/com.koushikdutta.rommanager

GingerBreak (works on LG OPTIMUS ONE V 2.2.2)
http://www.manast.com/2011/04/30/how-to-root-lg-optimus-one-p500-using-gingerbreak/

Z4Root (use Permanent Root) (or use GingerBreak-v1.20.apk)
http://rainulf.ca/androidtag.html (for Telus, P500H, Android firmware v2.2 NOT 2.2.1)
- Enable USB debugging from Menu->Settings->Applications->Development->USB Debugging.
- Make sure the versions / firmware eg. V10B are correct (To find out, go to Settings, then About Phone)
http://lgoptimusonep500.blogspot.com/2010/12/rooting-lg-optimus-one-p500.html

Telus V10S stock:
http://forum.xda-developers.com/showthread.php?t=844483
http://forum.xda-developers.com/showthread.php?t=1001713
http://androidforums.com/getitnowmarketing/330813-all-one-recovery-thread.html

How to Root LG Optimus One
http://androidos.in/2010/12/how-to-root-lg-optimus-one-remove-unwanted-apps/

Opera Mini
https://market.android.com/details?id=com.opera.mini.android&hl=en

Adobe Reader

Bluetooth File Transfer
https://market.android.com/details?id=it.medieval.blueftp

MoboPlayer
https://market.android.com/details?id=com.clov4r.android.nil

Advanced Task Killer (Free)
https://market.android.com/details?id=com.rechild.advancedtaskkiller

Barcode Scanner
https://market.android.com/details?id=com.google.zxing.client.android

Dolphin Browser™ HD (Play Flash)
https://market.android.com/details?id=mobi.mgeek.TunnyBrowser&feature=related_apps#?t=W251bGwsMSwxLDEwOSwibW9iaS5tZ2Vlay5UdW5ueUJyb3dzZXIiXQ..

Skyfire - (Play Flash) Skyfire Browser makes your mobile web experience richer, smarter and more fun!
Skyfire is the world’s smartest & most social mobile browser!
https://market.android.com/details?id=com.skyfire.browser&hl=en

AdFree Android - removes all ads
https://market.android.com/details?id=com.bigtincan.android.adfree&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5iaWd0aW5jYW4uYW5kcm9pZC5hZGZyZWUiXQ..

Android System Info - Explore all features of your android device!
https://market.android.com/details?id=com.electricsheep.asi&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5lbGVjdHJpY3NoZWVwLmFzaSJd

App 2 SD Free (move app to SD) - Are you running out of application storage?
https://market.android.com/details?id=com.a0soft.gphone.app2sd&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hMHNvZnQuZ3Bob25lLmFwcDJzZCJd

Easy Uninstaller - Simplist & fastest uninstall tool for android.
https://market.android.com/details?id=mobi.infolife.uninstaller&feature=search_result#?t=W251bGwsMSwxLDEsIm1vYmkuaW5mb2xpZmUudW5pbnN0YWxsZXIiXQ..

Spare Parts Plus! - Allows you to enable and change some hidden settings of your Android device.
https://market.android.com/details?id=com.androidapps.spare_parts&feature=related_apps

RockPlayer - RockPlayer is high performance, almost all formats media player with a lot of functions
https://market.android.com/details?id=com.redirectin.rockplayer.android.unified.lite&hl=en