Google has rolled out new update to the Google Play Store with a version 7.9.30. The new version packs no major change. There are only few compatibility fixes with different devices. Recently, Google rolled version 7.8.74 with some major changes.
Google kept rolling out these new updates in order to make it compatible with most of the devices. Every update is not meant for every device, they are made available for only few devices which need a fix.
Google also added new logo to the Play Store in version 7.8.16. The latest and signed apk is now available for download from the source link below.
In order to install the external apk on your device, you need to check the Third Party Installations settings By going to the Settings Menu and then security tab.
You can download the latest apk by heading over to the source link.