Lookout Antivirus – This leading mobile security software automatically checks every downloaded app for viruses and spywares and tells whether they are safe to use in your mobile.
GasBuddy – Lists gas price by city, state, zip code, etc., in US and Canada. Indicates cheapest gas deals by place. It is very useful.
Wyse Pocket Cloud – You can access and control your remote computer from your Android phone with this smart app.
Instant Heart Rate – Measure your heart rate using built-in camera of your mobile phone with this freeware health app. Place your finger on camera, read your heart rate on screen.
Ringdroid – This free ringtone app creates tones, alarms and notifications for MP3 files loaded on your mobile phone. It manipulates existing songs in your phone to pleasing ringtones.
Shazam – With this free music discovery engine, with a database of 8 million artists, albums and tracks, you can identify songs by title and artist from anywhere.
Download these apps directly from Android Market on your mobile.