Related Clues:

• Angry Birds, for one
• Summon via a P.A. system, e.g.
• Phone program
• Bettie of pin-up fame
• iPad purchase
• Knight in training
• Doodle Jump, for one
• It gets flipped
• Ellen of 'Juno'
• iPad buy
• Congressional aide
• Beeper message
• Folio
• One may be dog-eared
• House of Commons figure