Related Clues:

• Graffiti artist's "signature"
• Many a download
• Smartphone download, briefly
• What it must do?
• Angry Birds, for one
• Phone program
• Playground runaround?
• iPad purchase
• Doodle Jump, for one
• Mattress label
• Spot for "Spot"
• iPad buy
• Touch, in a children's game
• Tie-on label
• Label or sticker