Open gearth database in data/samples/integrations/takeoff directory.
On this database, you will see one aircraft standing on Cheju-do South-Korean Island.
Once set, you can save the database and rebuild or just load the Simulation. GE will normally be automatically called.
Start the simulation and select the Entity. The GE camera will immediately fly to face the Entity on the ground.
You can now navigate around the Entity (red cross) to see the trajectory as defined in vsTASKER and represented on GE.
To embark into the Entity, on vsTASKER, select the Track button

The camera will move to follow the Entity from its position.