Open the folder. Press and hold the Tunein icon, then drag the Tunein icon to the bottom of the screen. You can press and drag the icon to rearrange the order of the icons. You can pin up to four icons at the bottom of the screen, plus the three most recently used icons will display to the right of the pinned icons. To return an icon from the bottom of the screen to the drawer press the X in the upper corner of the icon while managing the icons in the folder.