Grow Cube is the fifth entry in a Flash-based puzzle series created by On, a Japanese indie game developer. You arrange whatever is given to you and your order will influence the result, with a single combination leading to the best ending.
Also, cutesy graphic.
The first theme heard in the game has a four-second intro that's never played, followed by the looped part.
The game has several unused pictures which might have been placeholders or debug-related, judging by the Japanese text.
From top-left to bottom-right, they read: