Click the green flag, then press space to move to the next dialogue. Use the arrow keys to move between scenes, and the up-arrow to get out of zoomed in spaces. When you have figured it out, click the phone again. When the phone asks you how she got there, answer with the way she got there (Plane, Walk, Van, Bus, Bike, etc.) Any other directions are in-game.
I'm working on a version you can find in the appstore! Instructions from here: https://scratch.mit.edu/projects/116055504/