Google has rolled out new update for Google play store with number of improvements and changes including new improved reviewing system, suggestions and much more.
There are two ways to update your devices' Google play to 4.5.10.
1. Go to applications and then to Play store. Clear app's data and cache and run play store. It should automatically update to v4.5.10. If not, go for method #2
2.
Download Google Play 4.5.10 apk and install it on your device.!