What is the best Antivirus Scanner for Android phones?

Hi guys,
What is the best antivirus scanner for java phone? I need an antivirus scanner for other java application in my android mobile phone device which is Samsung Galaxy y. Please give me the most recommended one. I have to take good care of this mobile phone for it is important in my business travel and other online activities when I am away with my computer laptop and desktop.
Expecting some help, thank you.
