How to enable split-screen Street View in Google Maps for Android
Source: Android Central Now you should see the Street View image on the top of your screen and the map on the bottom. This works in either portrait or landscape orientation, making it ideal for drivers who mount their phones in landscape mode. It should be noted that this split-screen feature only works in Android version 10.59.1 and newer, so if you do not yet have that version, you won't be able to see it. Alternatively, if you open up Google Maps, drop a pin, and then tap on Street View, your default view will automatically be the split-view. This is the second fun (and useful) feature tha...
Source: androidcentral.com