Update README.md

Update new Google Play icon!

README.md

@@ -72,9 +72,9 @@ You can download the latest sample APK from this repo here: https://github.com/a
 
 It's also on Google Play:
 
-<a href="https://play.google.com/store/apps/details?id=com.afollestad.materialdialogssample">
+<a href="https://play.google.com/store/apps/details?id=com.afollestad.materialdialogssample" target="_blank">
   <img alt="Get it on Google Play"
-       src="https://developer.android.com/images/brand/en_generic_rgb_wo_60.png" />
+       src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" height="60"/>
 </a>
 
 Having the sample project installed is a good way to be notified of new releases. Although Watching this