DownloadCreating new application
Please go to the app directory and create a new sub-directory for example MyFirstBlog 
|-- app/
|   `-- MyFirstBlog/
|       |-- Controller/
 
At the config.app.php set your projects name. 
  /*
  |------------------------------------------------------------------------
  | Application meta
  |------------------------------------------------------------------------
  */
  'app' => array(
    'name' => 'MyFirstBlog',
    'key' => 'some5secret5key5here',
    'default_controller' => 'blog',
  ),
  |