With Ultimate Technical Remote for iPhone you can control all the tools of the iPad app Ultimate Technical Design, so you can dedicate the entire iPad screen to project.
The iPhone will automatically connect via WiFi or Bluetooth, after selecting iPhone Remote Control in iPad settings menu.
Use the goniometer in Ultimate Technical Remote for a precise rotation of shapes, turns how many degrees you want, the shape will follow the movement of the iPhone.
WARNING: App Ultimate Technical Design required.
For more information: http://www.ultimatetechdesign.eu