Both of these are a little odd, although one more so than the other — as you play the game and beat certain challenges (such as getting a B rank or higher on a Special difficulty track) you unlock «Keys» that let you pay a bird called Chuchu to poop out a gashapon ball containing three
random user icons.
Not exact matches
Alternatively,
users can tap the Sorting Hat
icon to have a theme picked at
random.
Users will simply need to log in as local admin, lock the padlock
icon, and unlock it anew using a username and a
random password.