If there's one thing mobile games and apps tell you to do, it's to tap something. Tap to start. Tap to continue. Tap to win! Okay, this one may be less common, but the point remains the same. Tap controls are the most common control styles in mobile games and the best part is they're not hard to code. Let's take a look at an example right now.
For this recipe, you'll need two objects. Give one object a simple sprite (such as a blue circle) and name it
obj_balloon and name the other
obj_control but don't assign a sprite to it. Make sure
obj_control is placed inside the room you're using for this recipe.
alarm = ...