Apple Releases iOS 8.2 Beta 3 to Developers for Testing.

Fixed in Beta 3:
● In iOS Simulator, the Emoji button should now be visible, regardless of the selected input mode.
● The WKInterfaceController method openParentApplication:reply: now launches the containing app in the background when the iPhone (or iOS Simulator) is unlocked or locked.
● The WKInterfaceController method presentTextInputControllerWithSuggestions:completion: is now fully supported in iOS Simulator.

You can read more here via @iClarified