anchor.diff:  
   *  First-person (fly-by) camera
   *  Scene graph that manages your models in the rendered 3D scene.
  -*  Useful default input mappings (details below.) 
  +*  Useful default input mappings (details below.)
   
   Additional to the functionality that Application brings, SimpleApplication offers the following methods and fields that can be used, for example, inside the `simpleInitApp()` method:
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positive.code: 
  The following example shows how you can remove one of the default AppStates, in this case, the FlyCamAppState:
  
  *  Either, in your application's contructor, you create the SimpleApplication with only the AppStates you want to keep: 
  [source,java]
  ----
  public MyAppliction() {
  
negative.code: a|A default SimpleApplication displays the framerate (frames per second) on the screen. You can choose to deactivate the FPS display using this command.
  
  a|setDisplayStatView(false);
  a|A default SimpleApplication displays mesh statistics on the screen using the com.jme3.app.StatsView class. The information is valuable during the development and debugging phase, but for the release, you should hide the statistics HUD. +
  *pass:[*]Note:* There is a dark quad behind the stats. Each letter displayed in the stats is a quad. Each quad has 4 vertexes and 2 triangles. +
  
  456/2 = 228 +
  912/4 = 228
  
  This means if you display stats, there will be 456 triangles and 912 vertices showing in the stats view in addition to anything you add yourself.
  
  |===
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