SeekDroid is a great security app for Android without all the bloat you get with the anti-virus apps. I got it during Amazons free app of the day, but if you missed that then this is a great deal. Its been $4.99 for while, and now on sale for $2.99.
SeekDroid allows you to secure and find your phone from anywhere in the world! SeekDroid is now on SALE for 40% off, get it now for a limited time! SeekDroid allows you to locate your lost or stolen device anywhere in the world. See your device on a map, set off an audible alarm, wipe the device, and more. SeekDroid requires Android 2.2 or greater and a working data connection.