Avast! Mobile Security :
Avast! mobile security gives you the better protection. It scans your phone and memory card and removes the Bad stuff and has the USSD Blocker Protection.Protection:
AV-Test report shows that Avast protects your Android device from 98% of threats.
Usability :
Avast! mobile security drains your battery when it runs on your Android phone. You can do regular tasks with this app, it won;t slow down your device.
Features :
Antivirus : It scans the apps when you launch it first time. Other than this, It performs on-demand scans in your phone and SD Card.
Web Shield & Site correct: It includes USSD Blocker and scans every URL and blocks it if the URL is Infected. it corrects the mis-typed URL.
SMS/ Call Filtering : It blocks the calls and SMSes, if it comes from the filtered contact, you have already selected.
Anti Theft : Gives you remote control via SMS or Web (cell phone tracking, activate siren, memory wipe, etc.).