With this app installed, your iPhone can serve as a remote control for the iPad apps "2Screens - Presentation Expert" or "2Screens LE" for switching among slides/tabs, moving the ‘laser pointer’, as well as enabling/suppressing display on the external screen when the iPad is connected with a projector or LCD monitor. 2Screens Remote communicates with the iPad presentation apps through Bluetooth. In this regard, the app works on iPhone 3G/3GS/4/4S/5 and 3rd/4th/5th generation iPod Touch which support Bluetooth 2.1. In addition, this app can also be run on all iPad models in case you would like to use iPad as a remote controller for another one. Please note that this app cannot be used on first generation iPhone and first／second generation iPod Touch. Starting from v1.6, Wi-Fi connection is supported. This app is NOT a general-purpose remote control for other iPad apps as it only works with the 2Screens apps. The app auto-disable idle timer when bluetooth connection is established so as to prevent losing connection with the Presentation app. There is an integrated speaker timer for keeping track of presentation duration. Please open this video on YouTube to see how it works: http://www.youtube.com/watch?v=0emO1IClsRw . The app is provided as an universal app just in case somebody may like to use an iPad as a remote control.