Related Clues:

• Whats next?
• TikTok, for one
• It's often launched by a thumb
• Waze, for one
• Time-wasting game, perhaps
• Lyft or Uber
• One may use location services
• It’s opened by tapping an icon
• Game lover's purchase
• (K) Smartphone addition
• Mobile software
• Shazam or Waze
• Focus of a pocketgamer.com review
• Starter, for short
• Many an iDevice game