Several people who reviewed this tablet concluded that it was smooth. Three years ago Nothingwired.com said “The Samsung Galaxy Tab 4 8.0's multiwindow feature provides smooth navigation” in their review of the Samsung SM-T335 Galaxy Tab 4. Nothingwired.com also mentioned “Smooth performance”.
One person said in their reviews that it was a good design. One customer who reviewed the product concluded that it was neat.