* Why need control rotation? I want to watch movie in the bed, but the screen may rotate because I didn't hold the phone vertically. I want to use the phone in the dock vertically, but the charging port will be blocked and cannot be charged. So, I want to control screen to fix a fit orientation. * How to control rotation? Using the Control Rotation app, You can control screen orientation easily. * What is the Control Rotation app? There are following rotation modes in the Control Rotation app. - Auto Rotation: screen rotation is determined by a physical orientation sensor. - Manual Rotation: screen orientation is determined by a user control. 1. Portrait: the screen is in a portrait orientation. 2. Portrait (Reverse): the screen is in a portrait orientation; the opposite direction from normal portrait. 3. Landscape: the screen is in a landscape orientation. 4. Landscape (Reverse): the screen is in a landscape orientation; the opposite direction from normal landscape. * Can the App control any application rotation? No. The App can only control application with the multi-orientation.