```ruby
require 'open3'
require 'thread'
require 'httparty'
require 'appium_lib'
require 'yaml'
require_relative 'mock_backend/mock_backend'
require_relative '../step_definitions/screen_factory'

class CustomWorld

  def initialize screenFactory
    @screen_factory = screenFactory
  end

  def launch_to_screen screen
    $driver.start_driver
    screen.wait_for_load
    screen
  end

  def launch_to_commit_list_screen
    launch_to_screen @screen_factory.get_commit_list_screen()
  end

  def get_commit_detail_screen
    commit_detail_screen = @screen_factory.get_commit_detail_screen()
    commit_detail_screen.wait_for_load
    commit_detail_screen
  end

end

World do
  CustomWorld.new(ScreenFactory.new(ENV['PLATFORM']))
end

GitHubMockBackend::Boot.boot

# Appium
caps = Appium.load_appium_txt file: 'appium.txt', verbose: true
Appium::Driver.new({:caps => caps, :custom_url => ENV['APPIUM_SERVER_URL']})
Appium.promote_appium_methods CustomWorld
```

Use ruby conventions on param name
user
```ruby
require 'open3'
require 'thread'
require 'httparty'
require 'appium_lib'
require 'yaml'
require_relative 'mock_backend/mock_backend'
require_relative '../step_definitions/screen_factory'

class CustomWorld

  def initialize screen_factory
    @screen_factory = screen_factory
  end

  def launch_to_screen screen
    $driver.start_driver
    screen.wait_for_load
    screen
  end

  def launch_to_commit_list_screen
    launch_to_screen @screen_factory.get_commit_list_screen()
  end

  def get_commit_detail_screen
    commit_detail_screen = @screen_factory.get_commit_detail_screen()
    commit_detail_screen.wait_for_load
    commit_detail_screen
  end

end

World do
  CustomWorld.new(ScreenFactory.new(ENV['PLATFORM']))
end

GitHubMockBackend::Boot.boot

# Appium
caps = Appium.load_appium_txt file: 'appium.txt', verbose: true
Appium::Driver.new({:caps => caps, :custom_url => ENV['APPIUM_SERVER_URL']})
Appium.promote_appium_methods CustomWorld
```
assistant