You can now test the features of the Samsung Galaxy S9 and S9+ on your own Android device with the help of a new app called Demo Experience app.
In the Demo App, there are four main sections S9 Accessories, New camera and more, Helpful applications and device specifications. Each sections contains useful information that are in form of videos, images and texts.
The app is available on playstore and is compatible with devices running on Android 6.0 Marshmallow and above. If you decide to purchase a Samsung S9 or S9+ and you feel like to experience the feature first, you can use the Demo App without actually purchasing it.