By default, the Visual Studio Android emulator sets its keyboard entry to the hardware keyboard attached to you PC. But it might be very useful when developing apps to work with the software keyboard on Android. In the Windows Phone emulator, you can use a page-up and page-down to enable and disable the keyboard. In the Android emulator you’ll have to change a setting in the OS itself.
To change the setting, got to the Android Settings and to Language & Input. Than select “Change Keyboard”.
Hit the switch to change the input method.
You’re good to go: