(Uhhh) 1st step - View the examples 2nd step - Tap/click "Remix" button 3rd step - Replace original lead (Left) with your character 4th step (optional) - remove lead (right) for an empty space 5th step - share your remix 6th step - wait.
Yes he's in Memorbox V3 but I made him in a sign up for V3 so yeah