The Microsoft Surface keyboards have a trackpad that you can use like a mouse. This app lets you choose how the trackpad works on Touch Cover and Type Cover. If this app doesn't detect the keyboard, do the following, make sure you have the latest updates: From the Start screen, type Update, tap Settings, then tap Check for updates, then from the Start screen, type Devices, tap Settings, then tap Devices and Printers. Then tap Refresh three times (circular arrow next to Search box). It features control tap gestures and control scrolling.