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geheim_nummer by kajdehoop 

Shoes.app do
  flow do 
    border lightblue, :strokewidth => 4
    4.times do(para "Geheim"
    subtitle "nummer?! ") 
    end  
  end
  nummer = 14.to_s
  button "Klik!" do
  guess = ask "Wat is het geheime nummer?"
    if guess == nummer
      alert "Goedzo!"
    else
      alert "Fout!"
    end
  end
  image "http://www.hard-c.com/wp-content/uploads/2010/12/vraagteken.gif", :height => 400
end