How to Install apps - Download apps from the::Play Store:: Device Guides / Samsung / Galaxy J3 () / Install apps Samsung Galaxy J3 () Install apps - Samsung Galaxy J3 () 1 Before you start. Before downloading and installing apps on your Galaxy. Use the Google Play™ Store app to download useful and fun apps to your Samsung Galaxy J3 Prepaid from Verizon. Watch this video to learn step by step instructions to search for and download apps. Nov 27, · Install an app on the SD card of your Samsung Galaxy J3 In the event that you need to go a little further now that you know ways to install an app on the Samsung Galaxy J3 , we will find out methods to install it on the SD card of the telephone. The apps list expands to include any apps you download and install on your phone. Getting Started. Introduction. About the User Guide Samsung Galaxy J3 () User Guide. The apps list expands to include any apps you download and install on your phone. The following table outlines the primary apps that have been preinstalled on your.