Installation:
Run the English Run-time package and enjoy. Alternatively, you can extract and run the Japanese run-time package (make sure you run it in AppLocale under Japanese). 

Controls:
F4 = Toggle Fullscreen
F5 = Toggle Resolution
Z = Enter/Choose/Open/Select
X = Menu/Back

Instructions: 
1). Go to sleep on the bed. 
2). Explore dream world for items.
3). Use items to find more items. To use items open the menu (by pressing x) and select the first tab on the menu. Then you will see a list of your items.
4). If you get lost open your menu and select the second tab on your menu. Press z twice to confirm. Then you shall return to your room.

Disclaimer:
This is just a demo. Stay tuned for the full version which will probably be available in a few months.