The title has nothing to do with this cheat. In battle, go into Tribe King. But as you change form, hold l and r. Nopthing will happen seemingly, but you'll see a black hertz appear on screen if you did it right. Rescue it to get UltiWave, the program that gets you Tribe King instantly. Make sure you do it right, though. It's easy to mess up.
Complete the game with ALL the achievement icons to receive a message from Solo telling you to level up the four In-Game Brothers. When you do their side quests to level them up and complete the game an alternate ending sequence featuring a battle against BuraiSX will appear when the credits have ended.
Complete the indicated task to unlock the corresponding icon. These will become available on the menu with the 'New Game' and 'Continue' options. When you have unlocked ALL the icons an alternate 'Title' screen will become available.
Unlock Rockman Star: Complete the main story line.
Unlock G Comp Star: Collect ALL 5 Giga Class Cards.
Unlock M Comp Star: Collect ALL 42 Mega Class Cards.
Unlock S Comp Star: Collect ALL 150 Standard Class Cards.
Listed below are messages from Goyouda Heiji who will ask you to get data (diary entries) from the following Radio networks. When you have got ALL the data you will get a message with the EXE Blaster (BN Buster).
1/XX: Kodama Town - Post Box Radio Network
3/XX: TK Tower 1 - Old Binocular Radio Network (inspect during OphiuchusQueen scenario)
7/XX: Food Town - Forgotten Ice Statue Radio Network
9/XX: Donbura Lake Area 1 - Sunken Ship Radio Network (after CondorGeograph Scenario)
11/XX: Nansca - Lower Wall Radio Network (after CondorGeograph Scenario)