When the word "END" is displayed on-screen after the end of the game, press and hold A + B + Select + Start on controller 1 and A + B on controller 2 at the same time.
Get 10 Free Lancers
Go to the merchant and tap select 10 times, the screen should blink twice to confirm. You will recieve 10 free lancers.
Sound Test
On controller 1, hold Select + Start and Power on or Reset the console. Release the buttons and on controller 2, hold A + B + Right. The soundtest will appear after the HOT-B logo.