<Esc>
  Closing the window (quitting the program)

<Space>, <Return> (anywhere)
  Closing the "Trick full"-Window

[1234567890ab]
  Playing the card (counting starts with the '1',
  '0' is the tenth, 'a' is the eleventh, 'b' is twelfth card

S
  Showing the 'settings'-window

R
  Showing the 'rules'-window

A
  Showing the 'about'-window

G
  Showing the 'GPL'-window
