Learn how to use Multi Window on your Samsung Galaxy S5.
Read on:
http://www.primeinspiration.com/guides/mobile-guides/samsung/205-galaxy-s5/7429-how-to-use-multi-window-samsung-galaxy-s5.html
To Customize Multi Window:
http://www.primeinspiration.com/guides/mobile-guides/samsung/205-galaxy-s5/7430-how-to-customize-multi-window-app-samsung-galaxy-s5.html
