Google Maps v5.10.0 for Android adds two new Places features9
Always trying to compete with other services like Foursquare, the Places feature with Google Maps for Android now offer users the ability to see on the map the places they gave 4 or 5 star ratings. Additionally, you’re now able to attach an image to reviews of certain places. Of course, not everyone is going to be filled with joy over the new features, but it’s nevertheless nice to see Google aggressively deepening the app’s functionality to keep up with the competition.
If you haven’t received the notification just yet about it, you can basically download and install the free update through the Android Market right now.
source: Android Market via Android Central