The company has developed its own custom user interface that it has refined consistently for the last few years. (goodereader.com)
It packs a 6,000 mAh battery, has quad speakers, and runs Android 7.0 Nougat with Samsung's custom user interface on top. (androidauthority.com)
Same as T - Mobile G - Slate, Samsung Galaxy Tab 8.9 runs Google Android 3.0 Honeycomb operating system, but features custom user interface by Samsung. (gadgetsin.com)