Google has updated the Android Market for Smartphones, bumping the version up to v3.1.3. So what's new in this version? Since the launch of the new Windows Phone-esque style look and feel on the Android Market, there has been some minor updates here and there for the Android Market.
This new version however brings in two big features: a new +1 for apps & games and the most important feature of all - Pin number for purchases! This feature allows you to set a 4 digit PIN code that you have to enter before the purchase process goes through. I would say this is by far the most useful feature to be added to the Android Market since it was included in all officially supported Android Device. This prevents your friends/families or even total strangers from making purchases without your knowledge - especially if your phone was stolen. Kudos to Google for adding this in!
You should be getting the auto-update on the Android Market by now, but if you are not getting it just yet, you can manually install this new version by downloading the APK file in the link below and then installing it from your Android phone. Do make sure you tick your Settings > Applications > Allow Unknown Sources checkbox otherwise you won't be able to install it. You don't need to be rooted to install this, so don't worry. Just install and replace the existing Android Market.
Android Market 3.1.3 - Download APK