Rainbow creates all colors for you harmony. Rainbow, your personal chromotherapie.Place your smartphone near to you and be relaxed after watching the colors. Colors are displayed in full screen mode.Increase or decrease the speed of color change.Stop and resume at you favorite color.Use App Rainbow e.g. in your livingroom, sleepingroom or anywhere else.App Rainbow saves the speed of colorchange and the last used color for you. Restart Rainbow and continue at the last exit.