The device runs on Android 6.0.1 Marshmallow with Samsung s custom TouchWiz UI. The device also features Multi-Window that enables you to run two applications simultaneously, one above the other. As far as performance is concerned you shouldn't be worried as the Galaxy J7 (2016) is equipped with a 1.6 GHz
octa-core Exynos 7870 chipset to deliver
flawless performance, It is built on 14nm FinFET technology, that consumes very less battery compared to the processors of 28nm technology. Users can also expect to work on multiple apps at the same time as there is
2GB LPDDR3 RAM. The graphics are handled by the Mali-T830MP2 GPU with 2 graphic cores that can deliver smooth gaming performance. The Galaxy J7 (2016) has 16GB of internal storage which can further be expanded up to 128GB using a microSD card.