You can download the update directly on your device through the Google Play Store or by using the link which follows:
The Simpsons: Tapped Out for Android update version 4.3.0 update has the following new features and improvements:
Take your Springfield for a dip and expand your town like never before! Summertime has arrived with new buildings, characters, quests and Waterfront Property. We’ve opened up over 30 new plots of land, with some right on the water, so that you can develop your Springfield up to the water's edge and beyond!
You can also download the The Simpsons: Tapped Out for iOS with the Squidport Expansion.