scale it

main.py

 # Port of this pygame tetris https://gist.github.com/silvasur/565419
-#
-#
 # Copyright (c) 2010 "Laria Carolin Chabowski"<me@laria.me>
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -205,6 +203,12 @@ class TetrisApp(Application):
     def draw(self, ctx: Context) -> None:
         # Paint the background black
         ctx.rgb(0, 0, 0).rectangle(-120, -120, 240, 240).fill()
+        ctx.scale(2, 2).translate(-25, -50)
+        ctx.rgb(1, 1, 1).rectangle(0, 0, self.width, self.height).stroke()
+
+        # abc w 0 x 2 0 -100
+        # def 0 h y 0 2 -100
+        # ghi 0 0 1 0 0 1
         
         if self.gameover:
             ctx.text_align = ctx.CENTER
@@ -242,7 +246,7 @@ class TetrisApp(Application):
         self.input.think(ins, delta_ms)
 
         if self.input.buttons.app.middle.pressed:
-            self.rotate_stone
+            self.rotate_stone()
         elif self.input.buttons.app.left.pressed:
             self.move(-1)
         elif self.input.buttons.app.right.pressed: