On the software front, a cut-down variant of Samsung s TouchWiz UI is running on top of Android 4.4 KitKat in the Galaxy J1 4G. Samsung generally bundles software additions with its Galaxy lineup of smartphones such as a file manager, music player, a dedicated video player, Ultra Power Saving Mode, Weather app, and more. Galaxy Apps store, which Samsung bundles with its smartphones and tablets, can be used to install premium apps (chosen by Samsung) for free. Google s robust services and apps store comes pre-installed with the Samsung Galaxy J1 4G as well, which offers a user with rich ecosystem to download apps, games, and media.