Norton Mobil Security 2012 and 2.5

Hi,

Just curious, Android Market has NMS Lite 2.5 and to upgrade to the full version it's $29.99 but on the symantec-norton.com site, I see Norton Mobile Security 2012 and it's marked down from $29.99 to $23.99. What gives? Is it the same product with a different name or is it truly a different product? If it IS a different product, what are the differences? I find this very confusing. I was ready to upgrade to NMS 2.5 FULL until I found this! Below is the link to which I refer, NMS 2012:

 

http://www.symantec-norton.com/Norton_Mobile_Security_2012_p116.aspx?par=goo_usbroad9278942328_norton_mobile_security&par1=en_us_norton_mobile_security_promotion&gclid=COXp8LjM1a0CFYFb7AodiFxxnA