Samsung Galaxy S4: How to Customize the Bottom Shortcuts in the Home Screen

The common method used by the Samsung Galaxy SIV user to speed up their way to access certain app is by adding the shortcut of that app to the Home screen. That's might be the explanation why the Google Play Store has the default settings to add the newly installed app shortcut to the Home screen--if there's an available room--. You're also free to remove the unused app shortcuts in the Home