Here're some resources for this part:
vivabee.ttf
Create new folder named font in assets folder of the project
Copy font file above to the folder assets/font
Create new class named ChangeableTextExample in the package org.anddev.andengine.examples of the AndEngineDemo project, here is the code of this class:
package org.anddev.andengine.examples;
import org.anddev.andengine.engine.Engine;
import org.anddev.andengine.engine.camera.Camera;
import...
