The Cutting Room Floor/ME-Tan's Roleplay

ME-Tan's Roleplay is a game where ME-Tan is in a roleplaying adventure, it was originally meant for the Family Computer, The Famicom Disk System, and the Super Famicom, those versions were developed alongside the GBA version but only the GBA version was released to the public.

Unused Area
An area with a Japanese name, it translates to Manpo Donchi, one of the game's producers, opening the chest will give you a letter from developers.

Unused Party Member
By hacking into the game, you could let the evil Shih Tzu to join your party so that he can kill your party he can possess your Shih Tzu, it was planned to join the party once ME-Tan loses at the battle, but was scrapped as it was "too dark for a kids game".

Unused Enemy
An early version of the evil Shih Tzu.

Differences
The early version was much more powerful than the final enemy, making him much more difficult to beat.

Unused Graphics
Some leftovers from A Dog's Room. A leftover from EarthBound.

Unused Item
A letter from the developers, it doesn't do anything when used, but checking the info says the following:

Unused Text
Some placeholder text.

Debug Menu
By entering the Konami code, you get a debug menu where you can add/remove party members, go to a sound test, change status, add/remove items, and set flags (respectively).

Sound Test
By choosing the sound test option in the debug menu (mentioned above), you can play sound effects, music, or even voices.

Revisional Differences
In version 1.0 of the Japanese version, going to a scary movie theater greets you with a creepy music and a suspense sound with ME-Tan saying: In version 1.5 of the Japanese version as well as the International version, doing the same thing causes the door to say: This change was made due to rumors about children committing suicide by this thing in the game, which caused the game to be recalled.

Anti-Piracy
If the save type is not Flash 64K or that the BIOS is missing (on an emulator), the game greets you with an anti-piracy screen.