Multi window is one of the useful features in Samsung Galaxy devices. Yes, you definitely want to use it on Galaxy Note 3 with large 5.7″ screen. Perform 2 tasks at once. Checking messages while watching YouTube videos. Or browse 2 webpages. Email while go through photos in the Gallery. Lot of tasks can be done in this multitasking mode. And not to worry about performance as powerful Qualcomm Snapdragon 800 processor and 3GB of RAM are more than enough to do so. Work in both landscape and portrait mode. My favourite – perform the primary task while enjoying music video…