Complex sentence: The Wii U GamePad is an integral component of the console and is bundled with all Wii U systems; it is a tablet-like controller with a 6.2 inch resistive touchscreen that streams display content from the console wirelessly.
Split into simpler sentences: The Wii U's main controller, the Wii U GamePad, is an integral component of the console and is bundled with all systems. It is a tablet-like controller with a 6.2 inch resistive touchscreen that streams display content from the console wirelessly.